“DETERMINING THE ALGAE CELL DENSITY AND TOTAL CAROTENOID CONTENT OF HETEROTROPHIC MARINE MICROALGAE - SCHIZOCHYTRIUM AND THRAUSTOCHYTRIUM ON THE COAST OF TRA VINH PROVINCE, VIETNAM” (2024) TRA VINH UNIVERSITY JOURNAL OF SCIENCE, 13(1). Available at: https://journal.tvu.edu.vn/index.php/journal/article/view/71 (Accessed: 12 January 2026).