Outougari M, Hosseinzadeh Lotfi F, Rostamy-Malkhalifeh M, Allahviranloo T. Cost efficiency and congestion analysis in pharmaceutical firms: A two-stage DEA framework. International Journal of Applied Operational Research 2026; 14 (3) :1-16 URL: http://ijorlu.lahijan.iau.ir/article-1-733-fa.html
Cost efficiency and congestion analysis in pharmaceutical firms: A two-stage DEA framework. ژورنال بین المللی پژوهش عملیاتی. 1405; 14 (3) :1-16
