D. R. C. . Javier and R. P. . Jubay Jr., “Exploring Parent-Teacher Collaboration to Improve Students’ Vocabulary Skills: An Action Research”, IJLLT, vol. 2, no. 5, pp. 194–203, Sep. 2019, Accessed: Oct. 04, 2026. [Online]. Available: https://alkindipublisher.com/index.php/ijllt/article/view/581