Cattle raising in koh thom district,kandal province, (ការចិញ្ចឹមគោនៅស្រុកកោះធំ ខេត្តកណ្ដាល) thao phearith AVM THA 2009 B088 Or.1 phnom penh rua 2009 2009 Text ix, 47p. https://drive.google.com/file/d/15lb8sgjmrhJnTlAAJmebwQhlDVL7JA4d/view?usp=sharing