@article{paperid:1088821, author = {Eftekharian, Abbas and Razmkhah, Mostafa and Ahmadi, Jafar}, title = {A flexible ranked set sampling schemes: Statistical analysis on scale parameter}, journal = {Statistics, Optimization and Information Computing}, year = {2021}, volume = {9}, month = {March}, issn = {2311-004X}, pages = {189--203}, numpages = {14}, keywords = {Fisher information; Maximum likelihood estimation; Optimality; Order statistics; Relative efficiency.}, }