Saguin, E.D., Inocian, R.B. and B. Un, J.L. (2020) “Contextualized differentiated instruction in contemporary issues vis-à-vis the development of its COVID-19 model”, Journal of Research, Policy & Practice of Teachers and Teacher Education, 10(2), pp. 18–31. doi:10.37134/jrpptte.vol10.2.2.2020.