N. Muddarisna
Postgraduate Program, University of Brawijaya, Jl. Veteran, Malang, Indonesia
B.D. Krisnayanti
Department of Soil Science, University of Mataram, Jl. Pendidikan, Mataram, Indonesia
IRC-MEDMIND, University of Brawijaya, Jl. Veteran, Malang, Indonesia
S.R. Utami
IRC-MEDMIND, University of Brawijaya, Jl. Veteran, Malang, Indonesia
E. Handayanto
IRC-MEDMIND, University of Brawijaya, Jl. Veteran, Malang, Indonesia