let $p$ be a complex polynomial of the form $p(z)=zdisplaystyleprod_{k=1}^{n-1}(z-z_{k})$,where $|z_k|ge 1,1le kle n-1$ then $ p^prime(z)ne 0$. if $|z|

Despite the acknowledged contribution of Small and Medium Enterprises (SMEs) to the food industry, there is increasing evidence that Hazard Analysis Critical Control Point (HACCP) implementation is limited in this sector, with the burden of implementation perceived as potentially insurmountable. The purpose of this study was to modify the generic HACCP model for Tunisian ricotta cheese producti...