Bintang, Syahana Sabila Fajriah. 2024. “ANALYSIS OF ELIGIBILITY AND USEFULNESS BIOLOGY STUDENTS’ WORKSHEET ON BIOLOGICAL TECHNOLOGY INNOVATION TOPIC IN CLASS X”. Jurnal Pelita Pendidikan 12 (4):131-39. https://jurnal.unimed.ac.id/2012/index.php/pelita/article/view/66820.