สุวานิช ป. . (2013). The Studying Potassium Bromide Profile (KBr profile) of Drilledholes K-68 and K-70 in Nachueak District, Maha Sarakham Province to Prove the Overturn Bed of Rock Salt and Potash Bed in Maha Sarakham Formation by Comparative KBr Contents with a Normal Bed. KKU Science Journal, 41(3), 756–769. retrieved from https://ph01.tci-thaijo.org/index.php/KKUSciJ/article/view/249176