Ujjwal Nautiyal, M. Senthil Kumar, Vikas Verma, Chandra Kant, and Rupinder Singh. “PROCESS VALIDATION: AN OVERVIEW”. Asian Pacific Journal of Health Sciences 1, no. 1 (March 30, 2014): 40–47. Accessed September 1, 2024. https://apjhs.com/index.php/apjhs/article/view/108.