Purba, R. .; Rosaline, I. .; Situmeang, R. .; Girsang, C. I. .; Sitinjak, W. . Growth Response and Production of Cabbage (Brassica Olera Var. Capitata) on Various Kinds of NPK and Organic Fertilizers . jppipa, pendidikan ipa, fisika, biologi, kimia 2023, 9, 5516-5523.