Atrero, Mary Jean Ecle, and Leila L. Ravana. “Structure of Observed Learning Outcomes (Solo) Taxonomy and Learner Achievement: Impact on Educational Performance”. Advanced Social Science in Research Journal 1, no. 2 (April 29, 2026): 318–330. Accessed May 8, 2026. https://assrjournal.org/index.php/assrj/article/view/87.