1. Environmental sex determination: the effect of temperature and salinity on sex ratio in Oreochromis niloticus L.
2. 1996. Significant proportions of unexpected males in the majority of progenies from single pair matings with sibling sex-reversed males of Oreochromis niloticus. In: Pullin RSV, Lazard J, Legendre M, Amon Kothias JB, Pauly D, editors. Third international symposium on tilapia in aquaculture. Abidjan, C�te d?Ivoire: ICLARM Conf Proc 41. 11-16 Nov 1991. p 319-327.
3. Contribution of research in reproductive physiology to the culture of tilapias
4. 1996. Comparative effects of a natural steroid, 11?-hydroxy-androstenedione (11?-OH-A4) and a synthetic androgen, 17?-Methyltestosterone (17?-MT) on sex-ratio in Oreochromis niloticus>. In: Pullin RSV, Lazard J, Legendre M, Amon Kothias JB, Pauly D, editors. Third international symposium on tilapia in aquaculture. Abidjan, C�te d?Ivoire: ICLARM Conf Proc 41.11-16 Nov 1991. p 344-351.