this paper presents an economic evaluation of gas to liquids (gtl) project using “south-pars” gas field of iran based on the latest actual performing gtl projects. iran has the world’s largest reserves of natural gas and can satisfy the projected long-term market demand of gtl products which have lower pollution and higher quality than refinery products. the results of cost-benefit analysis sho...

Two different types of development tasks are distinguished: Clear and unclear development tasks. Based on hypotheses from organizational theory two different designs of software development are derived. The transformational design is appropriate if the development task is clear. In case of an unclear development task software development should employ the adaptive design. The transformational d...