Youna Chatrine Bachtiar, Mohammad Edy Nurtamam, Tomi Apra Santosa, Unan Yasmaniar Oktiawati, and Abdul Rahman. “THE EFFECT OF PROBLEM BASED LEARNING MODEL BASED ON REACT APPROACH ON STUDENTS’ 21ST CENTURY SKILLS: META-ANALYSIS”. International Journal of Educational Review, Law And Social Sciences (IJERLAS), vol. 3, no. 5, July 2023, pp. 1576-89, doi:10.54443/ijerlas.v3i5.1047.