JAFARPOUR, A.; KHAJEHAZAD, M.; MAHAMED, F.; TABATABAIE, F. Contingency Teaching Based on the Teaching–Learning Strategies: Application of Lecture, Problem Solving and Problem-Based Learning in Graduate Parasitology. JOURNAL OF TEACHER EDUCATION AND RESEARCH, v. 13, n. 01, p. 1-14, 10 jun. 2018.