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ทองโรจน์ พ. The Use of Service Marketing to Promote Develop Library Service at Library of College of Politics and Governance Mahasarakham University. jopag [Internet]. 2017 May 19 [cited 2024 May 17];7(1):326-39. Available from: https://so03.tci-thaijo.org/index.php/jopag/article/view/155272