Plaikaew, C. (2020). The administrative skills of school administrators affecting the Standard Operating Procedures (SOPs) of Internal Quality Assurance (IQA) of schools under the office of Ratchaburi Primary Educational Service Area 2. ournal of anagement cience akhon athom ajabhat niversity, 7(1), 1-15. https://doi.org/10.14456/jmsnpru.2020.1