Hermawan, A., Sulistyani, D.P. and Bakri 2021. Performance of paddy crop in swampland under organic pellet fertilization from Azolla and vermicompost. Jurnal Ilmiah Pertanian. 17, 2 (Feb. 2021), 60-66. DOI:https://doi.org/10.31849/jip.v17i2.5807.