000 00319nam a22001217a 4500
082 _a630 SHE/OR
100 _aDr.A K Sherief
245 _aOrganic Agriculture Management
_bCertification and inspection
260 _aVellayani
_bKAU
_c2005
300 _a149
650 _aprinciples
_asoil health management
942 _cBK
999 _c299103
_d299103