عنوان مقاله [English]
Setting priorities in R&D issues at national, sector and firm level is a necessity that is considerably concerned during latest decades. Although various methods are developed for Priority setting, most of them are quantitative, somehow with the wrong results. To deal with the challenges, different combinations of qualitative and quantitative approaches are developed for various situations. In this paper, a new approach using critical technologies method is developed in the sector level and applied for prioritizing R&D issues of membrane technology in National Iranian Gas Industry (NIGC).