R. Karthik Prabhu, K. Sampath Kumar, and P. Kulanthaivel. “A Study on Factors Involved in Equipment Quality and Management in Ready Mix Concrete”. International Journal of Intellectual Advancements and Research in Engineering Computations, vol. 6, no. 2, Mar. 2018, pp. 1229-33, https://ijiarec.com/ijiarec/article/view/634.