BOOK REVIEW By P.H.R. - A SYMPOSIUM ON THE OPERATING COST OF MACHINERY IN TROPICAL AGRICULTURE. Tropical Agriculture, [S. l.], v. 35, n. 3, 1958. Disponível em: https://journals.sta.uwi.edu/ojs/index.php/ta/article/view/4350. Acesso em: 19 mar. 2025.