Piwsaoad, Jagrapan. “YBRID OLAR RYER OR RYING INEAPPLES F AIMOUNG OMMUNITY NTERPRISE, OEI ROVINCE, HAILAND”. Life Sciences and Environment Journal 20, no. 1 (June 10, 2019): 97-110. ccessed December 4, 2021. https://ph01.tci-thaijo.org/index.php/psru/article/view/134825.