Bacaoco, Miguel, 		Juguilon, Vince Paul, 		Cafe, Arven, 		Tugado, Catherine, 		Faustino, Maria Angela, 		Bagtasa, Gerry, AND 		Estacio, Elmer.
" Design of a Low-cost Differential Optical Absorption Spectroscopy Set-up for Simultaneous Monitoring of Atmospheric NO2  Concentration and Aerosol Optical Thickness" <em>Science Diliman: A Journal of Pure and Applied Sciences</em> [Online], Volume 32 Number 2 (20 December 2020)