R. D. Estacio, R. F. Quicho, F. P. Ibarra, I. G. Bustos, L. M. Collantes, and E. D. Ibañez, “Graphic Organizers in an Online Learning Environment: Its Influence to Students’ Cognitive Load and Knowledge Gain”, PED, vol. 148, no. 4, pp. 207–228, Sep. 2023.