zukhrotul firdaus, syahrani; Muhtar , M.; Hamidi, N. Pengaruh Model Problem Based Learning Berbantu Quizizz Terhadap Kemampuan Berpikir Kritis Peserta Didik Pada Materi PPh Pasal 21: The Effect Of The Problem-Based Learning Model Assisted By Quizizz On Students’ Critical Thinking Skills In The Topic Of Income Tax Article 21. JPAI 2026, 24, 58-67.