1. M. Laaboulli, Optimisation énergétique des fours sècheurs de phosphate - OCP, Univ Europ, Paris, n.d.
2. Recent Patent and Modelling of Phosphate Rotary Dryer;Raffak;Recent Patents Eng.,2008
3. Optimisation du traitement thermique d’un phosphate application au phosphate du bassin gantour au maroc;El Ouardi;Mater. Tech.,2009
4. S. Bruin, K.C.A.M. Luyben, Drying of food materials: A review of recent development, in: A.S. Mujumdar (Ed.), Adv. Dry. Vol. 1, Hemisphere, New York, 1980: pp. 155–215. Binder 2 Page 24.
5. The mathematics of diffusion;Barton;Phys. Bull.,1975