Thepurpose of this research is to knowthe influence of inflation,interestrates, and the exchange rate of the rupiah against the stock price. This research wasconducted on 30 companies secto rproperty and real estatelisted onthe IndonesiastockexchangePeriod 2012 – 2014. Data analysis techniques used in research namely OLS (Ordinary Least Square)through the help of multiple software SPSS version 18.0. Research results indicate that simultaneous inflation, interest rates, the rupiah exchanger ateand effect on stock prices. Research partially indicate that inflation is not a negative and apositive effect against the stock price, while the negative effect of interest rates significantly to the stock price and the exchange rate of rupiah apositive significant effect against the stock price.

Bacteria has a main role in the food chain and waters productivity. Bacteria in the mangrove ecosystem mostly are from litter, sediment, and sea waters. The research objective is to determine the genus of bacteria that was found in Avicennia marina and Sonneratia alba leaf litter as well as bacteria in waters and sediment from a mangrove forest in Mamburungan. The method was designed by using explorative descriptive, and the analysis parameter was the genus. This study was done in the field experimentally with two phases; they were collected of mangrove leaf litter, waters, and sediment, followed by identification of bacteria in the Fish quarantine station, quality control, and safety of Tarakan Class II Fisheries Laboratory. The results showed that seven genus bacteria of Sonneratia alba was found, such as Bacillus, Aeromonas, Listeria, Stapylococcus, Enterobacteria, Bacteroides, Actinobacillus and nine genus of Avicennia marina, they were Bacillus, Listeria, Aeromonas, Pseudomonas, Enterobacteria, Corynebacterium, Actinobacillus, Plesiomonas, Flavobacterium. In sediment, there were ten genus, i.e., Bacillus, Plesiomonas, Enterobacteria, Corynebacterium, Listeria, Aeromonas, Micrococcus, Actinobacillus, Bordetella parapertussis, Clostridium. In sea waters, there were eight genus like Bacillus, Listeria, Aeromonas, Corynebacterium, Micrococcus, Actinobacillus, Pseudomonas, and Enterobacteria. The dominant bacteria that were found in litter, sediment, and sea waters were Bacillus.

Measles and rubella are two infectious diseases that are very contagious. Just like a disease causedby a virus in general, both of these diseases have no treatment, but can be prevented by immunization. Toddler mortality rate in the world reaches 34/1000 live births caused by various diseases that can actually be prevented by immunization. This study aimed to determine the description of knowledge and mother’s attitude  about measles rubella (MR) in toddlers at the public health center Tahtul Yaman Jambi city year 2019. This is a descriptive research. It was conducted on August 19-23 2019. Populations were all off toddler’s mother at the public health center Tahtul Yaman as many as 992. Samples were 42 respondents by using accidental sampling technique. The collecting of data used a questionnaire. It analyzed as univariate. The findings were obtained that most of respondents did not provide MR immunization for toddlers as many as 71%. Most of respondents have enough knowledge as many as 55%. Most of respondents have positive attitude as many as 60%. This study can be concluded that most of respondents did not provide MR immunization for toddlers, has sufficient knowledge and a positive attitude. Health personal at the public health center should make a schedule of counseling, information and education about MR immunization by using media that is interesting and easily understood  by the community especially toddler’s mothers. The public health center should cooperate  with the department of religion, community leaders and religious leaders to work together in synergy to disseminate information and information about the importance of MR immunization

This research aims to produce media learning in the form of experimental video on the geometrical optics thet meets good qualifications which include aspects of validity, practicality and improving learning outcomes. This research is a type of research and development Research and Development (R&D) with the Borg ang Gall model. Development and videos on research on reflection and refraction using applications, which will later produce an experimental video on physics learning in schools to improve student learning outcomes.

Election law violations always occur in every election in Indonesia. One of them is Riau Province, specifically the Kuantan Singingi Regency which is directly adjacent to the Province of West Sumatra and Jambi Province, Kuantan Singingi Regency has a fluctuating number of violations and the same violations in every general election. Thus, the need to strengthen the capacity of Election Supervisory Body in the 2020 Regional Head Election of Kuantan Singingi Regency by carrying out and extra for the election. This study aims to describe the capacity building of the Election Supervisory Body of Kuantan Singingi Regency to strengthen election capacity, to describe the factors that affect the capacity building of the Election Supervisory Body of Kuantan Singingi Regency to strengthen election capacity. Thus the research method uses qualitative methods. The object of the research is the Election Supervisory Body of Kuantan Singingi Regency. Result shows that the capacity of the Election Supervisory Body of Kuantan Singingi Regency to strengthen the election process by conducting and through training, technical guidance, coordinator meetings, recruitment and selection and socialization of participatory strengthening. The influencing factors include leadership, commitment, networking and media information and communication. The suggestions given are the socialization of participatory supervision of supervision carried out in public open spaces and improvement of regulations related to the authority of the Election Supervisory Body of Kuantan Singingi Regency to impose sanctions for violators of the Regional Head Election Law.