B. F. Abuda, G. F. Balazo, J. Orque, M. C. Cabili, and M. F. A. Maestre, “QUICK RESPONSE -BASED STRATEGIC INTERVENTION MATERIAL (QRSIM) EFFECTS ON THE ACHIEVEMENT LEVEL OF 11TH GRADE LEARNERS IN GENERAL MATHEMATICS”, International Journal in Information Technology in Governance, Education and Business, vol. 1, no. 1, pp. 39-45, Dec. 2019.