Kunopagarnwong, V., and T. R. Srinophakun. “The Development of Tubular Photobioreactor for Microalgae Cultivation”. ASEAN Journal of Chemical Engineering, Vol. 22, no. 2, Dec. 2022, pp. 196-05, https://journal.ugm.ac.id/v3/AJChE/article/view/9244.