Nalevingsonderzoek: De methode mystery-shopping
{"Image DocumentName": "Nalevingsonderzoek: De methode mystery-shopping", "Image ImageDescription": "Mystery shoppers van 15 jaar bezoeken sportkantines, supermarkten, horeca, slijterijen, jongerencentra en cafetaria\u2019s.", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}