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 (Oct. 2021), 28-33.