000 00303nam a2200145Ia 4500
008 220421s9999||||xx |||||||||||||| ||und||
020 _c550
040 _aET
100 _aU.K. SINGH
245 0 _aVOCATINAL EDUCATION
260 _bD P H
_aNEW DELHI
300 _a363
500 _a9184
942 _cBK
999 _c15514
_d15514