Kittiyankajon, Mongkol. 2021. “Application of 7 Quality Control Tools and SWOT Analysis to Determine the Marketing Strategy: A Case Study of Construction Material Store”. Rajamangala University of Technology Tawan-Ok Social Science Journal 10 (1):66-75. https://so05.tci-thaijo.org/index.php/SocialJournal2rmutto/article/view/252543.