1.
พลอยเพ็ชร อ. Efficiency and Effectiveness of Quality Assurance, Nakhon Phanom University in Academic year 2015. rpujournal [internet]. 2018 Feb. 19 [cited 2026 Oct. 7];3(1):71-82. available from: https://so03.tci-thaijo.org/index.php/rpu/article/view/112548