Problem Analysis on Teachers in the Development of Discovery Learning Model-based Worksheet and Student Problem on Cognitive Learning Achievement. BIODIK, [S. l.], v. 4, n. 2, p. 95-104, 2018. DOI: 10.22437/bio.v4i2.6126. Disponível em: https://online-journal.unja.ac.id/biodik/article/view/6126. Acesso em: 6 jul. 2024.