RAHMIANTI, Lely. The Implementation of Problem Based Learning Using Integrated Student’s Worksheet (LKPD) Towards Student’s Critical Thinking of 2nd Grade at SMP N 12 Padang. Universe, [S. l.], v. 1, n. 2, p. 59–65, 2020. DOI: 10.24036/universe.v1i2.17. Disponível em: http://universe.ppj.unp.ac.id/index.php/universe/article/view/17. Acesso em: 17 apr. 2026.