DJARAWULA, Elga Farianti; PRASETIYO, Nugroho Aji; MITASARI, Zuni. The Effect of Combination of Cooperative Learning Type STAD With NHT on Problem Solving Ability in Class X Students at High School. Journal of Biology Learning, [S. l.], v. 4, n. 2, p. 84–93, 2022. DOI: 10.32585/jbl.v4i2.2375. Disponível em: https://journal.univetbantara.ac.id/index.php/jbl/article/view/2375. Acesso em: 31 aug. 2025.