ACKNOWLEDGEMENTS
I thank Almighty Allah for the will and patience with which he
has blessed me.
My sincere thanks go to my supervisor, Mr Lourguioui Hichem,
for his availability, advice and guidance.
I would like to thank the members of the jury Mr. Ait saidi Adel
and Mrs. Haoui- Meslem Nabila for their presence, remarks,
advices and all the informations they gave me during my studies.
I would like to express my gratitude to Mr.Dahbane Yacine, the
engineer at the wastewater treatment plant of Souk-Ahras
state. I would also like to thank Mr. Rouabhia Mohamed, the
manager of Water Ressources Department of Souk-Ahras state
for the provision of data.
Last, but not least, My biggest thanks goes to Mdm. Maouel
Djamila, the trainers and alsow to Mr. Guerbi Mohamed
Mounir and Mr. Grimes Samir for their advices, help, support
and feedback during the business model canvas training course
Submitted by the Blue Incubator.