N. M. Ramin, W. M. N. H. W. Salleh, A. S. Salihu, N. A. Ghani, and S. A. Abed, “Retraction: [A Review on Composition and Bioactivities of Essential Oils from Prominent <i>Piper</i> Species]”, Fine Chemical Engineering, vol. 6, no. 2, pp. 186–210, Apr. 2025.