G. A. R. Barbacena, T. R. B. Boragay, J. R. O. Bron, S. J. C. Potonia, F. B. Engay, and K. C. Martirez, “Green Tourism: Management Practices for Sustainable Tourism in the First District of Albay”, IJRIS, vol. 3, no. 9, pp. 41–43, Sep. 2025, Accessed: Sep. 19, 2025. [Online]. Available: https://journal.ijris.com/index.php/ijris/article/view/218