Improvement of productive and reproductive efficiency in friesian calves [microform]/
رفع الكفاءة الأنتاجية و التناسلية لعجول و عجلات الفريزيان.
Ahmed Mohamed Abd El-Moety El-Gaafarawy.
- 1992.
- 180, [25], 7 leaves : ill. ; 30 cm.
Thesis (Ph.D.)-- Al-Azhar University, 1992.
Includes bibliographical reference (leaves 145-180)