Natural science itself is an experimental science, so practice and experimentation are important and are typical teaching methods of this subject. To make practice and experiment play the highest strengths in teaching and developing the ability to learn about nature - one of the three specific competencies of natural science, the association of experiments with scientific methods plays a special role. This article presents the general problems of teaching practical experiments according to the scientific method and applying it in teaching the topic “Living animals” in Natural Science, grade 7. The research results can be teachers’ references in teaching Natural Science to meet the teaching objectives in the direction of developing students' capacity in Vietnam in the current period.

National security is one of the most critical elements for the society, economy and the political system of a given country. Especially, it is unconditionally important for the stability, sustainability and prosperity of national development. Moreover, it is also unconditio¬nally the top priority for all ASEAN countries that have to cope with the continually rising China in all aspects of development of the Asia-Pacific region. The present article is using case study analysis and comparative empirical analysis as a research methodology to investigate and find out the right answer to the question exposed in its title. The article approaches and treats security and military science as interdisciplinary area of contemporary research. At the same time they are considered as one of the branches of social science. In the beginning of 21st century, the economic relations as well as the geo-political relations between China and ASEAN have made many progresses and positive changes towards right direction, in line with common principles of peaceful and secured development in the region. However, this current relationship still shows many difficulties and obstacles that the two sides need to solve and overcome in order to benefit from the existing potentials of each other. The first aim of this present article is to focus on overall complex relationship between ASEAN and China that could pose real threat and danger to the ASEAN nations in terms of its inability to counterbalance the rising China in the Asia Pacific region. The second aim of the article is to propose some useful recommendations and viable solutions to guard the safety of the people, security in the society and economy, the political existence of the ASEAN bloc.

This paper investigates the impact of the institutional environment on firm growth in Vietnam. Using a firm-level dataset, the study obtains balanced panel data for 37,788 registered enterprises from a unique data set. It analyzes the effects of institutional factors on firm growth using system GMM analysis. The study finds that in line with recent theoretical literature, institutional factors such as business support service, land access, time costs, and informal charges promote firm growth in terms of both employment and capital. This research also finds that the impact of institutional factors on firms’ capital growth is more significant.

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