E., Baehaki S.; Pupuk Indonesia Holding Company
Jl. Kemanggisan, Jakarta, Indonesia; Irianto, Nugraha Budi Eka; Pupuk Indonesia Holding Company
Jl. Kemanggisan, Jakarta, Indonesia; Widodo, Surachmad W.; Pupuk Indonesia Holding Company
Jl. Kemanggisan, Jakarta, Indonesia (Puslitbang Tanaman Pangan, )