Endah Retnaningrum, Irfan D. Prijambada, Sukarti Moeljopawiro, and Budi S. Daryono. “Effect of Biofertilizer Addition on Nitrous Oxide Emission”. Journal of Basic & Applied Sciences, vol. 10, Oct. 2021, pp. 44-52, doi:10.6000/1927-5129.2014.10.07.