Wuncha, Chonnarong. 2017. “A Model of Improving Job Performance Efficiency in Crime Prevention of Community Police Officers (Koban) of Provincial Police Region 4”. วารสารสันติศึกษาปริทรรศน์ มจร 5 (1):211-24. https://so03.tci-thaijo.org/index.php/journal-peace/article/view/84260.