Zulaikah, S.; Laksono, Y. A. .; Ningsih, D. .; Munfarikha, N. .; Hikma, R. A. . Magnetic Susceptibility Profile, Fe Content and PH Analysis of Apple Orchard Soil and the Relation to Fruit Diameter . jppipa, pendidikan ipa, fisika, biologi, kimia 2022, 8, 2224-2228.