R. Risthanti, I. G. A. Sumartha, F. F. Alkindi, R. Budiono, and R. W. Ananda, “Development of Captopril Analysis Method in Traditional Antihypertensive Medicine by Densitometry”, ad-dawaa.j.pharm.sci, vol. 8, no. 1, pp. 121–128, Jun. 2025.