Electronic School Book (BSE) Islamic Religious Education and Characteristics for Elementary School Class I Semester I and Semester 2 of the 2013 Curriculum. This application was created to make it easier for students to learn Islamic Religious Education and Characteristics anywhere and anytime. The 2013 BSE curriculum is a free book whose copyright is owned by the Ministry of Education and Culture (Kemendikbud) which can be distributed to the public for free. The material in the application i