Da, L. N.; Quynh, L. T. P.; Binh, P. T. X.; Thuy, D. T.; Thu, T. H.; Hai, N. T.; Huong, N. T. A. Establishing an Empirical Equation for the Relationship Between Total Suspended Solids and Total Phosphorus Concentrations in the Downstream Red River Water. VJMST 2020, 20, 325-332.