The purpose of this study was to determine whether Mudharabah, Musyarakah, and Murabahah financing affected the profitability of Islamic Commercial Banks in Indonesia for the 2015-2019 period. This type of research is quantitative research. Quantitative research is to explain the position of the variables studied as well as the relationship between one variable with another variable. The research method used in this study uses descriptive quantitative research methods using multiple linear regression test. The quantitative method in this study was to examine the influence of Mudharabah, Musyarakah, and Murabahah financing on the profitability of Islamic Commercial Banks in 2015-2019. Based on the analysis and discussion of data described in the previous chapter on the effect of mudharabah, musyarakah, and murabahah financing on profitability (ROA) of Islamic banks, it can be concluded that the variables of mudharabah financing, musyarakah financing and murobahah financing significantly influence profitability (ROA). This is evidenced by the results of the t test where the significance value of the variable mudharabah financing (0.023), musyarakah financing (0.037) and murobahah financing (0.008) are more than 0.05. The profit sharing system will facilitate customers and the financing system is quite consumptive so that it can contribute to profit levels, which causes profitability to rise.

Hermeneutics is a method or philosophical theory to interpret symbols related to the text in order to know the meaning and meaning. it was first used in the study of the Koran in the 19th century AD by Islamic scholars, but many scholars questioned it. This is because it can doubt the authenticity and sanctity of the Koran. Besides that, hermeneutics has been used to interpret bible to find its truth value. The Qur'an serves every question and objection from its readers, who come from various cultural backgrounds and scientific disciplines. Because the scriptures cannot speak for themselves, they need understanding, reading, interpretation and repetition of reinterpretations that are generally carried out by experts in the same way. In addition, the distance between the birth of the text and the period of interpretation is very long. For this reason, a methodological "means" is needed to understand the text in question.

Researchers conducted research at the Lubuklinggau City Special School in class 3C with intellectual disabilities and the researchers concluded that: the implementation of the 2013 curriculum in learning Islamic Religious Education for mentally retarded children at the Lubulinggau Special School is not entirely in accordance with the standards in the 2013 curriculum. attitudes and skills. Meanwhile, mastery of the material (knowledge) is not emphasized because of the limited abilities of students. Standard content, simplified Islamic Religious Education material, time allocation 3x40 minutes one meeting a week. Standard process, the learning process prioritizes direct practice, such as congregational prayer, reading the Koran and memorizing it, only 30% of the learning resources are printed books, and learning Islamic Religious Education is not only in class. The assessment is carried out by means of tests, midterm examinations, final semester examinations, and assessment of the learning process. the inhibiting factor is that students find it difficult to provide subject matter, insufficient facilities and infrastructure, only one teacher of Islamic Religious Education subject, and incomplete supporting books.