P. DECHATIWONGSE and W. CHOORIT, “Mixotrophic Growth of Astaxanthin-Rich Alga Haematococcus pluvialis using Refined Crude Glycerol as Carbon Substrate: Batch and Fed-Batch Cultivations”, Walailak J Sci & Tech, vol. 18, no. 2, p. Article 7354 (20 pages), Jan. 2021.