Panjaitan, P. “The Effect of C:N Ratio Level on Water Quality Parameters and Growth of Whiteleg Shrimp (Litopenaeus Vannamei) With a Non-Water Exchange Cultivation System Using Molasses As an Organic Carbon Source”. EDUCTUM: Journal Research, vol. 4, no. 4, July 2025, pp. 73-79, doi:10.56495/ejr.v4i4.1195.