The perspectives of Africa's development in the 1990s : keynote address

von Yaker, Layachi
Veröffentlicht in Addresses delivered at the second general assembly (1993)

East-West, North-South: what future is there for multilateral cooperation?

von Yaker, Layachi
Veröffentlicht in Change: threat or opportunity for human progress? ; 2: Economic change (1992)

La valeur en douane : Avant-propos de Layachi Yaker. Préf. de Cyrille David

von Benhamza, Hocine
Veröffentlicht 1975