N. S. Fitri, V. Purnamasari, and F. Cahyadi, “The Problem Based Learning (PBL) Model with Liveworksheets Media on the Outcomes of Science Learning on Ecosystem Materials of Grade V Students of SDN Rejosari 03 Semarang City”, <meta name="google-site-verification" content="hk1EvV2s9SCchFUV_4f7GgLdW5pQDckkxwSCWkj4stU" />, vol. 4, no. 2, pp. 2087–2096, Aug. 2026.