Salma Pigi Taqiyyah, A., R. . Ambarwati, and N. . Istikomah. “Application of the PBL Model With Multimedia in Improving Class IV Social and Science Learning Result at SDN Nglanduk 2”. IJCER (International Journal of Chemistry Education Research), vol. 8, no. 2, Oct. 2024, pp. 94-103, doi:10.20885/ijcer.vol8.iss2.art2.