IZWAR LUBIS, SELAMAT TRIONO , AMBIYAR. VALIDITY OF PRODUCT ON THE DEVELOPMENT OF COMPASS, OBSERVATION, DEMONSTRATION, EVALUATION (CODE) TRAINING MODEL . Turkish Journal of Computer and Mathematics Education (TURCOMAT), [S. l.], v. 12, n. 12, p. 4753–4763, 2021. DOI: 10.17762/turcomat.v12i12.10722. Disponível em: https://turcomat.org/index.php/turkbilmat/article/view/10722. Acesso em: 26 dec. 2024.