1. Official Methods of Analysis;AOAC,1984
2. Forage Fibre Analysis (Apparatus, Reagents, Procedures and Some Applications);Goering,1970
3. Use of olive cake pulp for fattening Awassi lambs;Harb;Dirasat,1986
4. Evaluation of poultry litter and olive cake as an alternative feed for ruminant production in Tunisia;Kayouli,1993
5. Energy Allowances and Feeding Systems for Ruminants;MAFF,1975