[1]
L. . Setyaningrum, A. . Purwanti, R. . Jannah, N. N. . Diana, A. K. . Wardani, and I. . Armandari, “Total Alkaloid Determination in Ethanolic Extract of Cocoa (T. cacao) and Robusta Coffee (C. canephora) Beans using TLC-Densitometric Method”, Ind. J. Chem. Anal, vol. 9, no. 1, pp. 1–12, Mar. 2026.