“PHYTOCHEMICAL INVESTIGATION OF ETHANOLIC EXTRACT OF PIPER NIGRUM, ZINGIBER OFFICINALE, AND ALLIUM SATIVUM AND SPECTROPHOTOMETRIC DETECTION OF PIPERINE, GINGEROL, AND ALLICIN” (2024) International Research Journal of Pharmacy, 5(11), pp. 1–3. Available at: https://irjponline.org/index.php/irjp/article/view/1330 (Accessed: 1 November 2026).