U. N. Opara

发表

Professionalizing the library and information science profession in Nigeria

U. N. Opara, 2010 .

The Public Library in Contemporary Nigeria: challenges and the way forward

U. N. Opara, 2008 .

Personal and Socio-Economic Determinants of Agricultural Information Use by Farmers in the Agricultural Development Programme (ADP) Zones of Imo State, Nigeria

U. N. Opara, 2010 .

Agricultural Information Sources Used by Farmers in Imo State, Nigeria

Umunna Nnaemeka Opara, U. N. Opara, 2008 .

Toward improving library and information services delivery in Nigeria through total quality management

Umunna N. Opara, U. N. Opara, 2010 .

Empowering Library Users Through the Five Laws of LibraryScience.

Umunna Nnaemeka Opara, U. N. Opara, 2017 .