Student Activity Sheets based on Scientific and Problem Based Learning (PBL) in the Introduction to Microeconomics course: How and Why?. Journal of Digital Learning and Education, Deli Serdang, Indonesia, v. 2, n. 1, p. 22–30, 2022. DOI: 10.52562/jdle.v2i1.275. Disponível em: https://journal.moripublishing.com/index.php/jdle/article/view/275. Acesso em: 12 jul. 2026.