Alegato, Jessa Mae, Krizia Marie Ledesma, Lezah Pearl Ligahon, Kristel Dia Rojo, Melrose Seron, and Nikko Paolo Calumpiano. “English Exposure and Subject-Verb Agreement Proficiency of Pre-Service Teachers: A Basis for an Online Instructional Material”. Virtutis Incunabula 10, no. 1 (August 1, 2023): 1–9. Accessed August 28, 2025. https://journals.recoletosresearch.com/index.php/vi/article/view/43.