Manal Inchaouh, Mohamed Tahiri, Bouchra El Johra, and Rachid Abboubi. 2017. “STATE OF AMBIENT AIR QUALITY IN MARRAKECH CITY (MOROCCO) OVER THE PERIOD 2009 – 2012”. GEOMATE Journal 12 (29):99-106. https://geomatejournal.com/geomate/article/view/741.