Nigar, S., & Malik, F. N. (2011). Analysis of the cement industries of Bangladesh in respect to Premier Cement Mills Ltd. BRAC University.
Lua i Stíl Chicago (17ú heag.)Nigar, Sabrina, agus Farhana Nur Malik. Analysis of the Cement Industries of Bangladesh in Respect to Premier Cement Mills Ltd. BRAC University, 2011.
Lua MLA (8ú heag.)Nigar, Sabrina, agus Farhana Nur Malik. Analysis of the Cement Industries of Bangladesh in Respect to Premier Cement Mills Ltd. BRAC University, 2011.
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