“ANALYSIS OF OPPORTUNITY-TO-LEARN GEOGRAPHIC INFORMATION SYSTEM FROM TWO GEOGRAPHY TEXTBOOKS IN SOUTH AFRICAN SECONDARY SCHOOLS”, JERCPT, vol. 6, no. 2, pp. 108–121, Jul. 2025, Accessed: Nov. 08, 2026. [Online]. Available: https://ercptjournal.com/index.php/ojs/article/view/156