Aris Dedy Joko Sulistyo, dan Pramono Hadi, Tri Rahayu. “MANURE USAGE STUDY AND PLANT VEGULATOR COCENTRATION TO PLANT GROWNTH AND FIELD CAULI FLOWER (Brassica Oleraccae Var Botryis L.)”. PROSEDING, Juli 2022, hlm. 189-94, http://journal.uniba.ac.id/index.php/PSD/article/view/356.