ডঃ মুহম্মদ এশাল. (1960). Economy and organization of industrial: Enterprises. Pr.
Čikaški stil citiranja (17. izdanje)ডঃ মুহম্মদ এশাল. Economy and Organization of Industrial: Enterprises. Sofia: Pr, 1960.
MLA način citiranja (9. izdanje)ডঃ মুহম্মদ এশাল. Economy and Organization of Industrial: Enterprises. Pr, 1960.
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