Usman, Mery Noviyanti, and Erwin. “The Effect of the PBL Model on Critical Thinking Ability and Mathematics Learning Achievement of Class V Students of SDN Anggrek Cluster”. Didaktika: Jurnal Kependidikan, Vol. 13, no. 1, Feb. 2024, pp. 295-04, doi:10.58230/27454312.329.