Cesilia, C., Sihite, M. R., & Zulkarnain, I. (2025). THE EFFECT OF PROBLEM-BASED LEARNING MODEL INTEGRATED WITH THE PEARSON ENGLISH PORTAL ON STUDENTS GRAMMAR MASTERY. Jurnal Review Pendidikan Dan Pengajaran, 8(1), 2819–2828. https://doi.org/10.31004/jrpp.v8i1.42961