Saeiam, Y., and Kulabtong, S. “Water quality factors related to phytoplankton population changes in the estuary ecosystem: a case study of Mae Klong estuary and Tha Chin estuary, upper Gulf of Thailand”. International Journal of Agricultural Technology, vol. 17, no. 5, Sept. 2021, pp. 1907-20, https://li04.tci-thaijo.org/index.php/IJAT/article/view/6298.