Winanto Poernomo et al. 2025. IMPROVING STUDENTS’ UNDERSTANDING OF BASIC ECONOMIC CONCEPTS AND ENTREPRENEURIAL SPIRIT THROUGH THE BUYING AND SELLING GAME SIMULATION METHOD AT CITRA KASIH SCHOOL. J-ABDI: Jurnal Pengabdian kepada Masyarakat. 5, 6 (Nov. 2025), 1591–1596. DOI:https://doi.org/10.53625/jabdi.v5i6.11567.