Wicaksono, M. . (2015) “PHYSIOLOGY EFFICIECY OF NITROGEN ABSORBTION WITH THREE SOYBEAN VARIETY OF UREA AND APPLICATIONS RHIZOBIUM IN SOIL WITH NUTRITRIONAL STATUS LOW NITROGEN”, Jurnal Online Pertanian Tropik, 2(2), pp. 140-147. doi: 10.32734/jopt.v2i2.2896.