共 50 条
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- [23] SOME PROBLEMS OF SAMPLING WORK IN UNDERDEVELOPED-COUNTRIES BULLETIN OF THE INTERNATIONAL STATISTICAL INSTITUTE, 1960, 37 (02): : 249 - 262
- [26] FINANCIAL PROBLEMS OF UNDERDEVELOPED-COUNTRIES - GENERAL PROBLEMS OF FINANCING DEVELOPMENT PROGRAMS JOURNAL OF FINANCE, 1957, 12 (02): : 167 - 177
- [27] NUTRIFICATION TECHNOLOGY ALLEVIATES DEFICIENCY PROBLEMS IN UNDERDEVELOPED-COUNTRIES FOOD PRODUCT DEVELOPMENT, 1979, 13 (03): : 66 - 68
- [28] SOME PROBLEMS IN THE APPLICATION OF THE HACCP SYSTEM IN UNDERDEVELOPED-COUNTRIES ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY, 1991, 202 : 79 - AGFD
- [30] BASIC RESEARCH PROBLEMS IN THE GEOGRAPHY OF TRANSPORTATION OF CAPITALIST AND UNDERDEVELOPED-COUNTRIES SOVIET GEOGRAPHY REVIEW AND TRANSLATION, 1963, 4 (07): : 36 - 58