Tungpunkom, Patraporn. “The Final Four Steps in Conducting Systematic Reviews: It Is Simple But Not That Easy”. Pacific Rim International Journal of Nursing Research 19, no. 2 (May 20, 2015): 85–88. Accessed May 2, 2024. https://he02.tci-thaijo.org/index.php/PRIJNR/article/view/33935.