Singh, Pramod, Ajay Tiwari, Sanjeev Ojha, and Shri Tewari. “Vacha-( Acorus Calamus): Speech and Intellect Enhancer”. Anusandhaan - Vigyaan Shodh Patrika 2, no. 01 (July 24, 2014): 38-47. Accessed August 5, 2025. https://anushandhan.in/index.php/ANSDHN/article/view/983.