"musana, a. "
management of information services:reports and papers of a: training course held in arusha from 11 to 22 april 1988/ a. musana - ed. - bonn : dse 1988. - ", 141p.; 23 cm." - dse publications .
026. 06 mus
management of information services:reports and papers of a: training course held in arusha from 11 to 22 april 1988/ a. musana - ed. - bonn : dse 1988. - ", 141p.; 23 cm." - dse publications .
026. 06 mus