"0, . "
Africa:survey on the scientific and technical potential of t: he countries of africa/ - 1 ed. - kenya : unesco 1970. - ", 296p.; 24 cm."
includes bibliography
Q180.A5 / .A37 1970
960. afr
Africa:survey on the scientific and technical potential of t: he countries of africa/ - 1 ed. - kenya : unesco 1970. - ", 296p.; 24 cm."
includes bibliography
Q180.A5 / .A37 1970
960. afr