Pinpin, Angelbert, Rad Rien Quizon, Keanno Stevinz Rabe, and Marie Antoinette Rosete. “Analysis on NYTS 2021: Socio-Demographic Factors and Its Effect on Harm Perception of Cigarette and E-Cigarette Smoking”. UJoST- Universal Journal of Science and Technology 1, no. 2 (November 23, 2022): 305–330. Accessed September 19, 2024. http://ujost.org/index.php/journal/article/view/88.