000 003320000a22001450004500
060 _a100
082 _a338.06 SRE
100 _aSreekumar V
245 _aNattinu cherna sankethikavidya
260 _aTVM, Kerala Sasthra Sahithya Parishad
260 _c1978
300 _a210
650 _aAppropriate technology
942 _cBK
999 _c358633
_d358633