共 50 条
- [41] Agricultural needs in sub-saharan Africa: the role of biotechnology AGRICULTURAL BIOTECHNOLOGY IN INTERNATIONAL DEVELOPMENT, 1998, (21): : 49 - 60
- [43] The economics of agricultural technology in semiarid sub-Saharan Africa JOURNAL OF MODERN AFRICAN STUDIES, 1997, 35 (04): : 757 - 759
- [44] Expenditure by conservation nongovernmental organizations in sub-Saharan Africa CONSERVATION LETTERS, 2010, 3 (02): : 106 - 113
- [46] Agricultural Productivity and Policy Changes in Sub-Saharan Africa PRODUCTIVITY GROWTH IN AGRICULTURE: AN INTERNATIONAL PERSPECTIVE, 2012, : 273 - 292
- [47] Agricultural productivity must improve in sub-Saharan Africa SCIENCE, 2021, 372 (6546) : 1045 - 1047
- [49] Innovation and agricultural exports: the case of sub-Saharan Africa AFRICAN JOURNAL OF SCIENCE TECHNOLOGY INNOVATION & DEVELOPMENT, 2014, 6 (06): : 499 - 510