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
ন87ব W10503 W10440 W12612
নুরুল মোমেন বহুরূপা কলিকাতা নবযুগ প্রকাশনী 1365 [BS] 130 পৃ: