PRATITA, Dewi; BARLIAN, Ikbal; RUSMIN, Rusmin. Development of Student Worksheet on Materials Economy Based Problem Solving. Humaniora, [S. l.], v. 9, n. 2, p. 211–220, 2018. DOI: 10.21512/humaniora.v9i2.4562. Disponível em: https://journal.binus.ac.id/index.php/Humaniora/article/view/4562. Acesso em: 27 apr. 2025.