@base .
a ;
"0794-7321" ;
.
a ;
;
"20040609175200.0"^^ ;
;
.
a .
a , ;
"Postgraduate open lecture series, University of Jos" .
a ;
.
a , , ;
, , ;
;
;
"0794-7321" ;
;
"0794-7321" ;
;
"0794-7321" ;
"Postgraduate open lecture series, University of Jos" ;
.
.
"Nigeria" .
a ;
"0794-7321" ;
.