عرض عادي عرض مارك عرض تدوب

System approach for development acts / [Texte imprimé] : of third IFAC/ IFIP/ IFORS international conference held at Rabat, Morocco, from november 24 to 27, 1980 ; ed. by N. Najim and Y. M. Abdel-Fattah - Oxford: Pergamon Press, 1980 - 569 p. ; 29 cm

Notes bibliogr.

Dewey Class. No.: 338.92606064