1- Hamid, H.Y. (2010). “Molecular study on Embryo-Maternal Interactions in a Rat Model”, Faculty of Veterinary Medicine, Universiti Putra Malaysia, Malaysia.

2- Hamid, H.Y. (2009). “Morphological study on Embryo-Maternal Interactions in a Rat Model”, Faculty of Veterinary Medicine, Universiti Putra Malaysia, Malaysia.