Online Public Access Catalogue (OPAC)Library,Documentation and Information Science Division
“A research journal serves that narrow
borderland which separates the known from the unknown”
-P.C.Mahalanobis
স68শ W9716 W9717
সুবোধ ঘোষ শতকিয়া কলিকাতা আনন্দ পাবলিশার্স 1365 [BS] 448 পৃ: