Raj, M. H., & Chowdhury, F. (2016). Customer service of Grameenphone. BRAC University.
Lua i Stíl Chicago (17ú heag.)Raj, Muradul Haque, agus Fairuz Chowdhury. Customer Service of Grameenphone. BRAC University, 2016.
Lua MLA (8ú heag.)Raj, Muradul Haque, agus Fairuz Chowdhury. Customer Service of Grameenphone. BRAC University, 2016.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.