Lestari, Ria.
" PENGARUH PENAMBAHAN ASAM HUMAT PADA PUPUK CAIR ECENG GONDOK (Eichhornia crassipes) TERHADAP TANAMAN BAYAM." <em>CAKRA KIMIA (Indonesian E-Journal of Applied Chemistry)</em> [Online], 9.1 (2021): n. pag. Web.  1 May. 2024