Thanh-Tri Do, Bich-Huy Tran-Thi, Binh-Nguyen Ong, Tuan-Loc Le, Thanh-Cong Nguyen, Quoc-Dang Quan, Thuong-Chi Le, Dai-Long Tran, Michael Melkonian and Hoang-Dung Tran 2021. Effects of red and blue light emitting diodes on biomass and astaxanthin of Haematococcus pluvialis in pilot scale angled twin-layer porous substrate photobioreactors. Vietnam Journal of Science, Technology and Engineering. 63, 2 (Jun. 2021), 81-88. DOI:https://doi.org/10.31276/VJSTE.63(2).81-88.