Onye Ọtụrụ Egwu n'Iwu
Onye a na-amabughị na enyo bụ otu n'ime akwụkwọ ole na ole a ga-ede banyere nkewa na ọ nwere ike ịgwọ ya. Steinberg mere nyocha ya gbasara nkewa na ụlọ akwụkwọ mahadum

Njikọ mpụga 

 Nnyocha American Journal of Psychiatry
 Psychology Nnyocha Taa