A. Pinpin, R. R. Quizon, K. S. Rabe, and M. A. 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, vol. 1, no. 2, pp. 305–330, Nov. 2022.