Pham, N. (2023) “DETERMINING THE ALGAE CELL DENSITY AND TOTAL CAROTENOID CONTENT OF HETEROTROPHIC MARINE MICROALGAE - SCHIZOCHYTRIUM AND THRAUSTOCHYTRIUM ON THE COAST OF TRA VINH PROVINCE, VIETNAM”, TRA VINH UNIVERSITY JOURNAL OF SCIENCE; p-ISSN: 2815-6072; e-ISSN: 2815-6099, 13(1), pp. 68-77. doi: 10.35382/tvujs.13.1.2023.1718.