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Setyaningrum L, Purwanti A, Jannah R, Diana NN, Wardani AK, Armandari I. Total Alkaloid Determination in Ethanolic Extract of Cocoa (T. cacao) and Robusta Coffee (C. canephora) Beans using TLC-Densitometric Method. Ind. J. Chem. Anal [Internet]. 2026 Mar. 31 [cited 2026 Mar. 31];9(1):1-12. Available from: https://journal.uii.ac.id/IJCA/article/view/40651