Prof. Resty C. Samosa; John Glenn C. Maylas; Gregor L. Macalam. ONLINE – MERGE – OFFLINE (OMO) CLASSROOM MODEL AS INNOVATION TO IMPROVE STUDENTS’ MASTERY LEVEL AND ATTITUDE IN TEACHING BALANCING CHEMICAL EQUATION. Wor.Bul.Soc.Sci. 2021, 3, 28-33.