"musana, a. "
"management of agricultural information services, training: course in arusha/tanzania, 19 to 30 october, 1987/ a. musana" - ed. - bonn : dse 1988. - "iii, 111p.; 23 cm." - dse publications .
S540 / .M34 1988
"management of agricultural information services, training: course in arusha/tanzania, 19 to 30 october, 1987/ a. musana" - ed. - bonn : dse 1988. - "iii, 111p.; 23 cm." - dse publications .
S540 / .M34 1988