000 00606nam a22002057a 4500
999 _c60306
_d60306
003 WUSLLib
008 170921b xxu||||| |||| 00| 0 eng d
020 _a9789554731059
041 _aSinhala
082 _a333.91
_bAMA
100 _aඅමරසිරි, සරත්
_97863
245 _aජල අසිරිය රැකගැනීම
260 _a.-මහනුවර
_b:කර්තෘ
_c,2015
300 _axii, 160p.
_c;21cm.
650 _aEnvironment
_95106
650 _aWater Pollution
_97864
650 _aNatural Resources
_9812
650 _aSocial Problems
_9807
942 _2ddc
_cPR