Rochin, Refugio I. "Farm Mechanization Research: Assissing the Consequences." California Agriculture, 1978 August

Rochin, Refugio I. "Farm Mechanization Research: Assissing the Consequences." California Agriculture, 1978 August, Box: 194, Folder: 8. Julian Samora Papers, 24426265. Benson Latin American Collection, The University of Texas at Austin. https://archives.lib.utexas.edu/repositories/4/archival_objects/389694 Accessed September 27, 2026.