Irma Suryani, Risnawati Risnawati, and Nasir Za’ba. 2024. “THE INFLUENCE OF BPI PROGRAM ACTIVITY AND DISCIPLINE WORSHIP STUDENT ACHIEVEMENT AT RIAU JUNIOR HIGH SCHOOL”. Mathematics Research and Education Journal 8 (1):1-16. https://doi.org/10.25299/mrej.2024.vol8(1).16944.