00309nam a2200121   450000500170000002000180001708200180003508400250005310000150007824500350009326000490012830000100017720260523130150.0  a9789393839183  a541.35bALO.F  2Colon Classification  aAlok Yadav  aFundamentals of Photochemistry  aNew Delhi:bEditors Publishing house;c2024.  a232p.