AKMA, Tio; MAN, Supar. The Design of Student Worksheet Problem based Learning to Improve Problem Solving Ability of the Eighth-Grade Students Junior High School in Indonesia. International Journal of Engineering & Technology, [S. l.], v. 7, n. 4.30, p. 11–15, 2018. DOI: 10.14419/ijet.v7i4.30.21993. Disponível em: https://www.sciencepubco.com/index.php/ijet/article/view/21993.. Acesso em: 3 may. 2024.