Search Results       Your search for [subject]Farm tractors -- Economic aspects -- Philippines returned 1 record.           The effects of tractorization in rice culture in the Philippines. by Boyland, Patricia Barrett; Ann Arbor, Mich.: UMI Dissertation Services, 1989. Subject: Farm mechanization -- Economic aspects -- Philippines; Farm tractors -- Economic aspects -- Philippines; Rice -- Processing -- Machinery.          Add to Book Cart Relevance: 26.58%