000 00312nam a2200121Ia 4500
005 20250114230553.0
008 250113s9999 xx 000 0 und d
041 _aeng
082 _a50298:N59
245 _aVidyodaya. Vol.5 : 2020
260 _c2020
_bUniversity of Sri Jayewardenepura
_aSri Lanka
365 _cRs.
999 _c140787
_d140787