Prof. Resty C. Samosa, John Glenn C. Maylas, and Gregor L. Macalam. 2021. “ONLINE – MERGE – OFFLINE (OMO) CLASSROOM MODEL AS INNOVATION TO IMPROVE STUDENTS’ MASTERY LEVEL AND ATTITUDE IN TEACHING BALANCING CHEMICAL EQUATION”. World Bulletin of Social Sciences 3 (10):28-33. https://scholarexpress.net/index.php/wbss/article/view/157.