Djamat taher, Doua M. Standardization and Guarantee Fees on Precious Metals in Algeria- Analytical Study According to the Algerian Tax System -. DJEI [Internet]. 2021Jan.27 [cited 2024Nov.22];12(1):105-20. Available from: http://journals.lagh-univ.dz/index.php/djei/article/view/1140