000 00493nam a22002057a 4500
015 _a0009502
016 _aSCI
041 _aSIN
080 _a520
100 _aMinistry of education
_91835
245 _aතරංග : 08
260 _aMinistry of education :
_bMaharagama ;
_c2019.
300 _a30 p; 21 cm .
_b01
310 _a2025-04-28
852 _aL
999 _c9674
_d9674