Ishartati, E. .; Setyawan, M. T. .; Fadjri, I. A. . Effect of Rhizobacteria Promoting Plant Growth (PGPR) on Character of Resulting from Crossing Resiprocal Corn With Purple Waxy Corn With Sweet Corn (Zea Mays L.). jppipa, pendidikan ipa, fisika, biologi, kimia 2022, 8, 12-21.