BEN SAID, Rafik, H. AOUINI, and Fourat AKROUT. 2017. “Gracilaria Bursa-Pastoris of Bizerte Lagoon (North of Tunisia): A Spatio –temporal Study of Some Hydro Biological Parameters, Agar Yield and Quality”. INSTM Bulletin : Marine and Freshwater Sciences 44 (November). Tunis, T.N.:165-74. https://doi.org/10.71754/instm.bulletin.v44.462.