Martin, Tunnie Differential response of rural communities to modernization a study of Philippine trade area / [microform] : Tunnie Martin - Ann Arbor, Mich. : University Microfilms International, 1971 - 1 microfilm reel : positive ; 35 mm. Thesis (Ph.D.) - Cornell University, Ithaca, 1970 Subjects--Topical Terms: Rural conditions--Philippines IslandsSociology, Rural