Gusliani, E., Ediputra, K. and Fadhilaturrahmi, F. 2021. Efforts to Increase Student’s Critical Thinking Ability Using Problem Based Learning Model for Elementary School Students. Edumaspul: Jurnal Pendidikan. 5, 2 (Oct. 2021), 160-165. DOI:https://doi.org/10.33487/edumaspul.v5i2.2015.