Wachid, Abdul, and Achmad Sairi. “The Influence Of Giving Fertilizer And Fertilizer (N) Fertilizer Time On Plant Growth And Production Sawi Pakcoy (Brassica Rapa L.): Pengaruh Pemberian Pupuk Kandang Kambing Dan Waktu Pemupukan Nitrogen (N) Terhadap Pertumbuhan Dan Produksi Tanaman Sawi Pakcoy (Brassica Rapa L.)”. Nabatia, vol. 6, no. 1, June 2018, p. 43, doi:10.21070/nabatia.v6i1.980.