Invest News DetailToday’s Zaman - Sabanci Holding Chairwoman Guler Sabanci has said there are plans to double the economic volume of CarrefourSA -- Sabanci's retailing venture with France-based Carrefour -- within three years. CarrefourSA celebrated its 15th anniversary in Turkey. Speaking at a press conference for the event, Sabanci said the retail sector was of crucial importance because it offered varied and healthy products to consumers. She also said organized retailing was an important tool in the fight against the unregistered economy. She said they had achieved great successes in the last 15 years and aimed to double them in the coming three. Sabanci Holding Retailing Group President Haluk Dincer said CarrefourSA's story began with a single "hypermarket" in Istanbul 15 years ago and now had 20 hypermarkets and 102 supermarkets in 38 cities, serving more than 150 million customers a year.