SULASMONO, B. S. PROBLEM SOLVING: SIGNIFIKANSI, PENGERTIAN, DAN RAGAMNYA. Satya Widya, [S. l.], v. 28, n. 2, p. 155–166, 2012. DOI: 10.24246/j.sw.2012.v28.i2.p155-166. Disponível em: https://ejournal.uksw.edu/satyawidya/article/view/132. Acesso em: 23 sep. 2025.