Onwimol, Damrongvudhi, Sermsiri Chanprame, and Thammasak Thongket. 2014. “Hybridity Test of Cucumbers via Ultrathin Layer Isoelectric Focusing Technique Using Water As the Extraction Buffer”. Agriculture and Natural Resources 48 (5). Bangkok, Thailand:689-95. https://li01.tci-thaijo.org/index.php/anres/article/view/243401.