Mariel Kristine M.Cortez, Mariz D. Singca and Mary Grace E. Banaag 2023. USE OF ZIPGRADE: A REVOLUTIONARY TOOL FOR GRADE 7 TEACHERS IN CHECKING STUDENTS’ LONG TEST AND UNIT TESTS. EPRA International Journal of Research and Development (IJRD). 8, 7 (Jul. 2023), 151–156.