Hassan, Z., & Haque, K. N. (2021). Product development process. Brac University.
Lua i Stíl Chicago (17ú heag.)Hassan, Zahid, agus K.M. Nafiul Haque. Product Development Process. Brac University, 2021.
Lua MLA (8ú heag.)Hassan, Zahid, agus K.M. Nafiul Haque. Product Development Process. Brac University, 2021.
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