00301nam a2200121Ia 450000500170000000800410001704100080005808200160006610000240008224500250010626000390013130000090017020260720174552.0260720s2005    xx            000 0 und d  aeng  a311.22 SINR  aSingh, Yogesh Kumar  aResearch methodology  aNew DelhibAshish Publishingc2005  a266p