Okuta, I. C. (2012). God's grace, the foundation and model of authentic unity in diversity and communion in coresponsibility for the common good of the Church, society and universal salvation: "towards global-universal family of God : the birth of a new and authentic humanism" : pars dissertationis ad Doctoratum ... Romae: Academia Alfonsiana.

Okuta, Ignatius Chikwado. God's Grace, the Foundation and Model of Authentic Unity in Diversity and Communion in Coresponsibility for the Common Good of the Church, Society and Universal Salvation: "towards Global-universal Family of God : The Birth of a New and Authentic Humanism" : Pars Dissertationis Ad Doctoratum ... Romae: Academia Alfonsiana, 2012.

Okuta, Ignatius Chikwado. God's Grace, the Foundation and Model of Authentic Unity in Diversity and Communion in Coresponsibility for the Common Good of the Church, Society and Universal Salvation: "towards Global-universal Family of God : The Birth of a New and Authentic Humanism" : Pars Dissertationis Ad Doctoratum ... Romae: Academia Alfonsiana, 2012.