Gollapudi Phani Ram, Vedula Venkata Naga Prabhakara Rao, Vankeswaram Mallikarjuna ,. 2021. “Efficacy of Industrial By-Product and Hybrid Fibers As Additives for Enriched Subgrade Characteristics of Expansive Soil”. Design Engineering, September, 13143-55. http://www.thedesignengineering.com/index.php/DE/article/view/4567.