000 00290nam a2200109Ia 4500
008 250217s9999 xx 000 0 und d
022 _a137282
082 _a505
_bVIN
245 0 _aVingnanam: Journal of Science
260 _bFaculty of Science, University of Jaffna
_aJaffna
942 _cPRBP
999 _c189606
_d189605