000 00548nam a22002177a 4500
015 _a0009504
016 _aSCI
020 _a9789556548587
041 _aSIN
080 _a320
100 _aDepartment of Sciencs
_94957
245 _aභූගෝල විද්‍යාව :
260 _aDepartment of Sciencs :
_bMaharagama ;
_c 2019.
300 _a 93p; 22cm .
_b01
310 _a2024-06-06
852 _aL
999 _c7834
_d7834