Sarakarn P, Siewchaisakul P, Pramual P, Putthanachote N, Jumparway D. Analysis of Covariance (ANCOVA): Optimal Method for Analyzing Pre-post Data with Repeated Measures Two Groups under Experimental Design in Health Science Research. Health Sci J Thai [internet]. 2024 Jan. 24 [cited 2026 Sep. 19];6(1):42-51. available from: https://he02.tci-thaijo.org/index.php/HSJT/article/view/262258