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- [47] THE USE OF GROWTH PROMOTERS FOR BEEF-PRODUCTION AGRICULTURE IN NORTHERN IRELAND, 1982, 57 (02): : 35 - 39
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- [49] PHOSPHORUS AND BEEF-PRODUCTION IN NORTHERN AUSTRALIA .8. THE STATUS AND MANAGEMENT OF SOIL-PHOSPHORUS IN RELATION TO BEEF-PRODUCTION TROPICAL GRASSLANDS, 1990, 24 (03): : 221 - 230
- [50] BEEF-PRODUCTION IN TUNISIA - EXAMPLE OF A DEVELOPMENT PROJECT WORLD ANIMAL REVIEW, 1977, (23): : 32 - 36