A formula for allocating book funds : the search for simplicity and flexibility

von Ehikhamenor, Fabian A.
Veröffentlicht in Libri (1983)

A bibliometric and content analysis of socio-economic research in NJESS, 1959-1958

von Aiyepeku, Wilson O.
Veröffentlicht in The Nigerian journal of economic and social studies (1979)