IMPROVING COGNITIVE LEARNING OUTCOMES OF SCIENCE LESSONS THROUGH PROBLEM BASED LEARNING MODELS ASSISTED BY PUZZLES. maktab: Jurnal Pendidikan dan Teknologi, [S. l.], v. 1, n. 1, p. 249–258, 2022. Disponível em: https://ejournal.citradharma.org/index.php/maktab/article/view/470. Acesso em: 2 aug. 2026.