continue payment debit after account closure

Few months ago I stood in the cue at standard bank for ages just to close my paid up credit card and for them to return the money they had taken in excess. I was directed to the self service phone in the corner and sat for about 45 minutes to get through to the correct person. Finally I was assured that my credit card would be closed and the money's refunded into my account within a few days. I left it and a few months later now I have noticed that they have continued to debit my savings account of the payment and no monies have been refunded to my account as had been arranged telephonically. I then went online into my standard bank account and contacted then via email so that I have my complaint in writing. They rep**** saying that someone in another department was going to be contacting me. I'm STILL waiting for their reply! I am so disappointed and am considering closing my account after many years of unhappy banking with Std bank. They owe me money and I want it paid back!