Kristianti, Tati, Ari Widodo, and Sony Suhandono. “THE CONCEPTUAL CHANGE ASSESSMENT BASED ON ESSAY QUESTIONS IN CASE STUDY OF DNA/RNA AND INTRON TOPICS”. JPPIPA (Jurnal Penelitian Pendidikan IPA) 4, no. 1 (August 26, 2019): 31–37. Accessed April 24, 2024. https://journal.unesa.ac.id/index.php/jppipa/article/view/5546.