000 00491nam a22002057a 4500
015 _a0004661
016 _aHEW
041 _aSIN
080 _a510
100 _aHewage, W. K.
_92727
245 _aගති විද්‍යාව
260 _aThe Educational Publications Department
_bThulawathugoda
300 _a446p
_b1
310 _a2023-11-15
852 _aL
999 _c4264
_d4264