M. Valdez, Christian Jay, Princess Lou G. Cardenas, Alpha Y. Aurelio, Mark Andrei G. Adisas, and Louie Villanueva. 2023. “Authentic Text-Based Activities to Enhance Students’ Ability in Using Perfect Verb Tenses”. ETERNAL (English, Teaching, Learning, and Research Journal) 9 (02), 326-45. https://doi.org/10.24252/Eternal.V92.2023.A9.