â  â  ibn al-amid’s poetry â â â â â  s.f. mirghaderi * â  hossein kiani** â  â  abstract â  ibn al-amid is one of the most distinguished writers of the arabic literature who is believed, even by his contemporary critics, to be at the top of his profession due to the unique characteristics of his writings. besides being a writer, ibn al-amid also had a taste in composing poems. his poems are ...

â  â  â  â  abul-atahiya: his life and poems â  â mohammad ali otroshi shahreza * â  hossein kiani ** â  â abstract â abul-atahiya was born and grown up in kufa-iraq, a city chosen as the central city by shias and the abbasid dynasty publicized their government there. he lived in a period which slander was common so he kept company with adulterous people and acted dishonorably. he started compo...

warranty as a kind of service contract today plays a role key in business and legal transactions. in this paper, we present a manufacturer, an agent and a customer's model under different service contracts suggestions. the manufacturer's profit is maximized by determining sale price, warranty period and warranty price. in addition we obtain optimal maintenance cost or repair cost for ...