1.
García Bertot S, Morejón RI, Díaz Loaces A. How to implement problem solving in the teaching and learning of natural science in junior high?. Rev Mendive [Internet]. 2005 Sep. 23 [cited 2026 Oct. 1];3(4):264-7. Available from: https://mendive.upr.edu.cu/index.php/MendiveUPR/article/view/113