Yudiansyah, Yudiansyah, Ismiyanti Ismiyanti, and Sandra Arifin Aziz. 2024. “Modification of The Spectrophotometric Analysis Protocol by Sims D. And Gamon to Analyze Leaf Pigment Content Using Green Spinach (Amaranthus Hybridus) As a Model Plant”. Journal of Tropical Crop Science 11 (02):147-54. https://doi.org/10.29244/jtcs.11.02.147-154.