List of Articles بازده به مقیاس راست (R-RTS) Open Access Article Abstract Page Full-Text 1 - Determining returns to scales the left and right in a two-stage green supply chain using network data envelopment analysis Rohollah Sharafeddin Amir Gholam Abri Mohammad Fallah 10.30495/jnrm.2022.68245.2292 Open Access Article Abstract Page Full-Text 2 - Determining Left and right Returns to Scale (RTS) and RTS sustainability by using linear programming problems based on simultaneous changes in inputs and outputs M. Omidi M. Rostamy-Malkhalifeh A. Payan F. Hosseinzadeh Lotfi