00314nam a2200109Ia 4500008004100000082001800041100003600059245002500095250000900120260006700129300000800196240913s9999||||xx |||||||||||||| ||und||  a001.42  VEN/R  aK Venugopalan and Abdul Assis K 0aResearch Methodology  aNULL  bCalicut university Central Co -Operative store LtdaNULLc2009  a219