Asyhad, F.N. et al. 2025. The Effect of Biofertilizer on the Incubation of Cattle Manure of Kailan (Brassica olearaceae). Jurnal Biologi Tropis. 25, 2 (Apr. 2025), 1476–1489. DOI:https://doi.org/10.29303/jbt.v25i2.8722.