المؤلفون: Khan, Zahirul Haque, Islam, Md Saiful, Akhter, Shume, HASIB, MD RAQUBUL, Sutradhar, Asish, Timsina, Dr. Jagadish, Schulthess, Urs Christoph, Krupnik, Timothy
الاتاحة: http://dx.doi.org/10.31223/x5vh4v