Obel, P. O. (2010). The impact of voluntary HIV and AIDS counselling and testing on the knowledge, attitudes and sexual behaviour of the deaf in Nairobi Province, Kenya. Daystar Univ..

Obel, Patrick O. The Impact of Voluntary HIV and AIDS Counselling and Testing on the Knowledge, Attitudes and Sexual Behaviour of the Deaf in Nairobi Province, Kenya. Nairobi: Daystar Univ., 2010.

Obel, Patrick O. The Impact of Voluntary HIV and AIDS Counselling and Testing on the Knowledge, Attitudes and Sexual Behaviour of the Deaf in Nairobi Province, Kenya. Daystar Univ., 2010.