option: Hydrogeology, Water, Health and Environment. Honors
option: Biological Engineering, Honors goods
2012: Training "Scientific English Practical Training" in December 2012 at the University May 8, 1945 Guelma focused on "Success Strategies: Publication of research articles and technical writing in English.
2006: Practical training in the laboratory of medical analysis of the hospital Ibn Zohr. Guelma.
2005: Practical training in the laboratory of medical analysis of the polyclinic Boumahra Ahmad. Guelma.
Charchar N, Bouchaala L, Merzougue S and Elafri A. Contribution to the study of biodiversity crab of the coast of Annaba, study day. Department of Biology university of Guelma. (25/052008).
Charchar N and Bouchaala L. Contribution to the study of the physico-chemical bacteriological quality of drinking water in the Guelma region, study day. Department of Biology University of Guelma. (16/03/2009).
Bouchaala L andCharchar N Contribution to the study of the purifying power of reeds at Oued Zneti Guelma, study day. Department of Biology University of Guelma. (16/03/2009).
Charchar N Contribution to the study of the physico-chemical pollution Oued Seybouse, study day. Departement ecology and Environmental Engineering University of Guelma. (26/05/2011).
Merzougue S, Bouguenoun I Bouchaala L,N Charchar, Aouissi A, M Belhamra and Houhamdi M. Eco-ethology of Ferruginous Duck Aythya in Algerian wetland Case of: Garaet Hadj Tahar Wilaya de Skikda.1st national Symposium on Wetlands university of M'sila (2 and 3/02/2013).
CHARCHAR N, L SOUIKI .Valorisation wastewater discharges from the main town of Guelma by the process "phragmifoltre" International workshop: hydrogeology and environment 5-7 universityof Ouargla, Algeria. 5, 6 et 7 /11/ 2013.
Charchar, N., Boucaaala L., Belhamra M., and Houhamdi M. (2016). Diurnal time budget of wintering Teal Anas crecca crecca (Anatidae) at Garaet Hadj-Tahar (Skikda) Northeast Algeria. Journal of entomology and zoology Studies;5(1):540-545.
Gherib A., Djebaili h., Bouchaala L., Charchar N., Aissaoui A. & Lehout A. (2017). Physiological and biochemical markers in the process of resistance and/or tolerance of heavy metals in the abandoned mining area of Sidi Kamber (Skikda, Algeria). International Journal of Environmental Studies; 74(2): 275-289.
Aissaoui ,A.,Sadoudi, D., Charchar, N., & Gherib A. (2017). Assesment and biomonitoring of aquatic pollution by heavy metals (Cd, Cr, Cu,Pb and Zn). International Journal of Environmental Studies; 74(3): 1-15.
Bouchaala L., Charchar, N., Boukhemza M., and Houhamdi M. (2017). Behavior and phenology of Wigeon Anas penelope in the Garaet of Hadj-Tahar (Skikda, Northeast of Algeria), Algeria. Journal of entomology and zoology Studies; (in press).
Bouchaala, L., Charchar, N., & Gherib, A. (2017). Ressources hydriques traitement et reutilisation des eaux usees en Algerie. Journal of Algerian Arid Environment; (in press).