BARBOSA, M. A. G.; ABRAHÃO, R. F.; TERESO, M. J. A.; LIMA, R. R.; CHIH, L. Y. Evaluation of the physical workload in coffee production: biomechanical and physiological aspects. Coffee Science - ISSN 1984-3909, v. 10, n. 1, p. 83 - 90, 13 Feb. 2015.