Wutthisak Bunnaen, Ongart Yartniyom, Phanomphong Suwannasingha, Aphinya Phatthrathammarak, Phanat Photibat, Kuantean Wongchantra, Prayoon Wongchantra. “The Promotion of Organic Agricultural Volunteer Youth and Planting from Waste Materials to Environmental Conservation for Primary School Students, Maha Sarakham Province, Thailand”. Annals of the Romanian Society for Cell Biology, vol. 25, no. 6, July 2021, pp. 17219-32, http://www.annalsofrscb.ro/index.php/journal/article/view/9010.