SYAHPUTRI, Hindri; DE LUX PUTRA, Effendy; RAHMAN HARUN, Fathur. Determinination Of Iron, Potassium, Calcium, And Sodium In The Fruit Of Guava (Syzygium Aqueum) And Guava Semarang (SyzygiumSamarangense) In Spectrophotometry Atomic Absorpti. International Journal of Science, Technology & Management, [S. l.], v. 4, n. 1, p. 118–121, 2023. DOI: 10.46729/ijstm.v4i1.717. Disponível em: https://ijstm.inarah.co.id/index.php/ijstm/article/view/717. Acesso em: 22 jan. 2026.