Gaya APA
Asri, M. et al
(1983).
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(
Edisi 2)
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Yogyakarta:
BPFE-Yogyakarta.
Gaya MLA
Asri, Marwan. et al.
"Dasar-Dasar Operations Research".
Edisi 2
Yogyakarta:
BPFE-Yogyakarta,
1983.
Text.