K. R. M. Chandrathilaka, S. R. De Alwis Seneviratne, K. N. Lankatilake, D. B. D. L. Samaranayake, and A. K. Karunarathna, “Work environment of automated and non-automated rice mills in Amapara district, Sri Lanka”, Int J Community Med Public Health, vol. 5, no. 8, pp. 3257–3264, Jul. 2018.