สิงห์จุ้ย อ, พุทธา ส. The Relationship between Internal Supervision Process and Lesson Plan Management Skills of Suphanburi Technical College. rpujournal [Internet]. 2018 Jan. 31 [cited 2024 May 7];3(3):130-42. Available from: https://so03.tci-thaijo.org/index.php/rpu/article/view/112633