Chairunnisya, Sofhia, et al. “Engineering Design Process (EDP) Strategy Integrated PjBL-STEM in Learning Program: Need Analysis to Stimulate Numeracy Literacy Skills on Renewable Energy Topic ”. Jurnal Penelitian Pendidikan IPA, vol. 9, no. 12, Dec. 2023, pp. 11197-06, doi:10.29303/jppipa.v9i12.6088.