Lidar, Seprita, and Hadi Suwarno. 2015. “UJI BEBERAPA JENIS PUPUK ORGANIK TERHADAP TANAMAN CAISIM(Brassica Campestris L)”. Jurnal Ilmiah Pertanian 11 (2), 37-45. https://doi.org/10.31849/jip.v11i2.1267.