Ashraf, S. B., & Hoque, M. M. G. (2018). Scope and challenges of introducing sustainable procurement in Power grid Company of Bangladesh Ltd. (PGCB Ltd.). BRAC University.
Lua i Stíl Chicago (17ú heag.)Ashraf, Sadat Bin, agus Md. Mosta Gausul Hoque. Scope and Challenges of Introducing Sustainable Procurement in Power Grid Company of Bangladesh Ltd. (PGCB Ltd.). BRAC University, 2018.
Lua MLA (8ú heag.)Ashraf, Sadat Bin, agus Md. Mosta Gausul Hoque. Scope and Challenges of Introducing Sustainable Procurement in Power Grid Company of Bangladesh Ltd. (PGCB Ltd.). BRAC University, 2018.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.