known as a publication fee, is a fee which is sometimes charged to authors. Most commonly, it is involved in making a work available as open access (OA), in either a full OA journal or in a hybrid journal.[1][2][3] This fee may be paid by the author, the author's institution, or their research funder
right (for free) to the publisher so that it can market the scientific production Open access model : the authors keep their right, so that readers, citizens are free to read, share and reuse the scientific production in the term of the licence. Science not as a commercial object but has a common good