Kumar, Rajesh, Atul Kumar Bhardwaj, K.K. Chandra, Arun Kumar Shukla, and Anish Kumar Singh. “Twenty-First Year of Global Research on Flyash: A Review”. Indian Forester 151, no. 9 (September 30, 2025): 840‐846. Accessed December 24, 2025. https://indianforester.co.in/index.php/indianforester/article/view/170529.