still no refund

2015/02/10 paid damelin R6400 They could not supply study material in the agreed time ! They are in breach of contract ! After weeks / months of trying to sort it out ! They agreed to a refund !! Hahahaha what a joke !! Then they said it wiil take 90 days for the refund !@ after more than 90 days !! Still no refund !!! Now they want more documents bla bla bla !! They are white coller ******* !! They sell you stuff they dont have in stock! Then they try and keep your money ! No service ! The worst company i have dealt with in my life !! Please dont believe a word they say !! Still i want my R6450 back ! I have worked hard for it !! Its not ******! Loaned begged or borrowed Its hard earned money !! Im not leaving it ! Give back the money !!