00771nam a2200193Ia 4500 CTU_221741 210402s9999 xx 000 0 und d 338.001 H892 Hugh-Jones, E. M. Economics and technical change E. M. Hugh-Jones Oxford Basil Blacwell 1969 Technology, technical change, innovation are strictly different concepts, but with sufficient overlap to justify the measure of interchangeability in their use to be found in these papers. Technological innovations,Economic development,Đổi mới công nghệ,Phát tiển kinh tế Trúc Trung tâm Học liệu Trường Đại học Cần Thơ