00939nam a2200205Ia 4500 CTU_219237 210402s9999 xx 000 0 und d 330.1 A985 Ayres, Clarence Edwin The theory of economic progress : A study of the fundamentals of economic development and cultural change Clarence Edwin Ayres Kalamazoo, Michigan New Issues Press, Western Michigan University 1978 The publication of this new edition of The theory of economic progress is of vital importance to a large number of concerned scholar. many of them have offered their full support of our efforts to again make it available for themselves and thier classes and for successive generations of students. Economics,Kinh tế học Truc Trung tâm Học liệu Trường Đại học Cần Thơ