In 2011 ,Chokri have initiated with a team of researcher the Tunisian Open Access group which advocate the Open access concept, and promote the adoption of this concepts by the community of Tunisian researchers , the group organize several events : The Open Access Study days , Open Access Week, ICOA. During this events I had several contributions | In 2011 ,Chokri have initiated with a team of researcher the Tunisian Open Access group which advocate the Open access concept, and promote the adoption of this concepts by the community of Tunisian researchers , the group organize several events : The Open Access Study days , Open Access Week, ICOA. During this events I had several contributions |