RazieF., and IswandiA. “The Potency of Azotobacter spp.Isolated from Tidal Land of South Kalimantan to Produce Indole Acetic Acids (IAA)”. Jurnal Ilmu Tanah Dan Lingkungan, Vol. 7, no. 1, Apr. 2005, pp. 35-39, doi:10.29244/jitl.7.1.35-39.