Sittisiri, Siriporn, Samit Onkong, and Phrakhru Pijitsupakarn Phrakhru Pijitsupakarn. 2022. “Administrator’s Administration According to Brahmavihara 4 With the Effectiveness of Teacher’s Performance in School under Nakhon Si Thammarat Primary Educational Service Area Office 2”. Journal of MCU Humanities Review 8 (2). ิิิBankok, Thailand:215-32. https://so03.tci-thaijo.org/index.php/human/article/view/258568.