Dewi, M.R. and Arifin, Z. 2024. Analysis of 21st Century Skills in the Implementation of Project Based Learning in Biology Learning Merdeka Curriculum. Jurnal Penelitian Pendidikan IPA. 10, 4 (Apr. 2024), 2118–2128. DOI:https://doi.org/10.29303/jppipa.v10i4.5941.