Syahputri H, De Lux Putra E, Rahman Harun F. 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 [Internet]. 2023Jan.9 [cited 2024Nov.28];4(1):118-21. Available from: https://ijstm.inarah.co.id/index.php/ijstm/article/view/717