Alfonso, R. A., Pingol, J. R., Carasco, M. C., Mella, A. F., Roxas-Villanueva, R., Tapang, G. and Gomez, R. (2015) “Developing HOTS with VISSER: bridging the need for science instrumentation in Philippine schools”, International Research Journal on Innovations in Engineering, Science and Technology, 1(1), pp. 09–12. Available at: https://ojs.batstate-u.edu.ph/index.php/IRJIEST/article/view/6 (Accessed: 24 November 2024).