Daulay, Naimatussyifa, dan Hasruddin Hasruddin. “ANALYSIS OF KNOWLEDGE AND ATTITUDES TOWARD GENERAL BIOLOGY OF FACULTY MATHEMATIC AND NATURAL SCIENCES™ STUDENTS STATE UNIVERSITY OF MEDAN”. Jurnal Pelita Pendidikan 4, no. 2 (Juni 30, 2016). Diakses Agustus 30, 2025. https://jurnal.unimed.ac.id/2012/index.php/pelita/article/view/4018.