Vu, Van Tac. “Monthly Anomalies of Sea Surface Chlorophyll-a Concentration in the Khanh Hoa Waters of Vietnam Related to ENSO Phenomenon”. <i>Vietnam Journal of Marine Science and Technology</i> 21, no. 3 (October 21, 2021): 233–245. Accessed November 5, 2025. https://cip.vast.vn/jmst/article/view/15875.