Kusnedi, R., N. . Pinontoan, and S. . Djati. “The Influence of Marketing Mix on Airline Ticket Purchasing Decisions During the Covid-19 Pandemic in 2021 (Title.Com Case Study)”. Jurnal Mantik, vol. 7, no. 4, Feb. 2024, pp. 3790-9, https://iocscience.org/ejournal/index.php/mantik/article/view/4782.