dear sirs and madams,pls tell me hw to get 120-150 marks,and im thinking to leave org chem....ols advice me..
dear sirs and madams,pls tell me hw to get 120-150 marks,and im thinking to leave org chem....ols advice me..

Last Activity: 4 Years ago

Last Activity: 4 Years ago

Last Activity: 4 Years ago

Last Activity: 4 Years ago

Last Activity: 4 Years ago