A comparative study on single and multiple trait selections of equatorial grown maize hybrids oleh Muhammad Azrai, Muhammad Aqil, Roy Efendi, Nining Nurini Andayani, Andi Takdir Makkulawu, Rafidah Neni Iriany, Suarni, Muhammad Yasin, Suwardi, Bunyamin Zainuddin, Salim, Trias Sitaresmi, Bahtiar, Paesal, Willy Bayuardi Suwarno