000 00274nam a2200133Ia 4500
100 _aN Arumugam
250 _a3rd ed
654 _aSociology
942 _cBK
245 _aConcepts of ecology
260 _aSaras, Nagercoil
_c1988
082 _a301.3 Aru
300 _ax,430p
999 _c67900
_d67900