Ade Safitri, Nirwana Anas and Khairuna (2023) “DEVELOPMENT OF BIOLOGY E-BOOK TEACHING MATERIALS BASED ON LOCAL POTENTIAL IN ASAHAN DISTRICT ON ECOSYSTEM MATERIALS FOR CLASS X SMA/MA STUDENTS AT SMA NEGERI 1 PULAU RAKYAT”, International Journal of Educational Review, Law And Social Sciences (IJERLAS), 3(5), pp. 1628–1634. doi: 10.54443/ijerlas.v3i5.1061.