(1)
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 2023, 4, 118-121.