R. B. Bulwayan, D. A. Balocnit, and J. G. M. Sannadan, “Piper Betel and Areca Nut: Interfacing Cultural, Communication and Ethno-therapeutic Knowledge as Reflected in the Kalinga Epic, the Ullalim”, ijels, vol. 8, no. 3, Jun. 2023, Accessed: Jul. 22, 2024. [Online]. Available: https://journal-repository.com/index.php/ijels/article/view/6447