Groupon Sa
Still not refunded from purchase of jan 2013

I purchased a groupon for pop cake course, but then got advised my the owner of the business via sms that she has closed her business.
She advised that she hasn't received money from groupon
Because she is closed, I am requesting a refund please for this unused voucher
i sent a e-mail to group on: 3feb 2013, 13feb2013, 23may 2013, then got a response from Nerice Heyburgh
Thank you for contacting Groupon Customer Services Dept. Your request for a refund has been received.
Should your refund be processed you will receive a confirmation e-mail.
its now jan 2014 and no refund yet!!!