Dingle, 1999. In: Shanawany, M. M.; Dingle, J. (Eds.). FAO Animal Production and Health Paper No. 144, FAO, Rome, Italy

Dingle, J., 1999. Ostrich production systems: Part II case studies. In: Shanawany, M. M.; Dingle, J. (Eds.). FAO Animal Production and Health Paper No. 144, FAO, Rome, Italy