Yeamkong, Suphawadee, Tuan Nguyen Ngoc, Prapasiri Jaipong, Patthanun Kothum, and Sukanya Tangmo. 2019. “Effects of Pattern Systems on Production Performance and Egg Quality of Laying Hen”. Naresuan Phayao Journal 12 (2), 18-24. https://li01.tci-thaijo.org/index.php/journalup/article/view/202318.