APA

Taha (Hamdy A), . (1989). Operation Research Ed.4. : .

Chicago

Taha (Hamdy A), . 1989. Operation Research Ed.4. : .

Harvard

Taha (Hamdy A), . (1989). Operation Research Ed.4. : .

MLA

Taha (Hamdy A), . Operation Research Ed.4. : . 1989.