00339nam a2200145Ia 4500008004100000020002200041082001600063100001500079245002500094250000800119260003200127300001000159942000700169999001700176260330s9999    xx            000 0 und d  a9.7881976874e+012  a1.42bKOL/R  aKoli, L.N. 0aResearch Methodology  a2nd  aAgrabY.K. Publishersc2025  a311p.  cBK  c52737d52737