Susiyanti, Susiyanti and Nurmayulis, Nurmayulis and Sjaifuddin, Sjaifuddin and Winda, Wati and Isminingsih, Sulastri KORESPONDENSI PROSIDING the influence of magenetic fields supply and hygromycin concentration to the optimization of folate gene puttative transformant selection in rice. Atlantis Press. (Unpublished)