Bajar, Angela Maxine, Jaecee Tanaya, and Erika Fabre. “Up Into the Sky: A Comparative Study on the Different Marketing Strategies of Selected Commercial Airlines in the Philippines”. APCORE Online Journal 1, no. 1 (October 26, 2025): 271–275. Accessed October 31, 2025. https://apcoreonlinejournal.org/index.php/AOJ/article/view/59.