M. Rodriguez, G. K., P. Cawili, A., & B. Puyoc, E. (2021). Variation of Pronouncing Cultural Words of Biga, Tongrayan, and Limos Groups in Kalinga, Philippines.
International Journal of English Literature and Social Sciences (IJELS),
5(6).
https://journal-repository.com/index.php/ijels/article/view/3087