S. Antonius and D. Agustiyani, “EFFECTS OF BIOFERTILIZER CONTAINING MICROBIAL OF N-FIXER, P SOLUBILIZER AND PLANT GROWTH FACTOR PRODUCER ON CABBAGE (BRASSICA OLERACEAE VAR. CAPITATA) GROWTH AND SOIL ENZYMATIC ACTIVITIES: A GREENHOUSE TRIAL”, J Biol Res, vol. 16, no. 2, pp. 149-153, May 2012.