Tipwadee Attathom, Boonnapha Isanont, and Supat Attathom. 1991. “Molecular Cloning of Restriction Endonuclease Fragments of DNA Isolated from Nuclear Polyhedrosis Virus of Heliothis armigera”. Agriculture and Natural Resources 25 (5). Bangkok, Thailand:21-25. https://li01.tci-thaijo.org/index.php/anres/article/view/242009.