Harun, Mazhatarmizi, Hazel Monica Matias Peralta, Nurul Huda Gonawan, and Zarina Shahri. 2018. “Effect of Mixing on the Density and Chlorophyll A Content on Botryococcus Sp”. Journal of Science and Technology 10 (2). https://penerbit.uthm.edu.my/ojs/index.php/JST/article/view/2945.