ÖZDİL, T. And ASLAN, A. İ. MEASURING THE EFFICIENCY OF COUNTRY ECONOMIES BY DATA ENVELOPMENT ANALYSIS (AN ESSAY ON TURKEY, MIDDLE EAST AND NORTH AFRICAN COUNTRIES). 2022. In INEQUALITY AND UNEMPLOYMENT IN THE TIME OF COVID-19 , IJOPEC Publication Limited, London, 231-246.

ÖZDİL, T., & ASLAN, A. İ., (2022). MEASURING THE EFFICIENCY OF COUNTRY ECONOMIES BY DATA ENVELOPMENT ANALYSIS (AN ESSAY ON TURKEY, MIDDLE EAST AND NORTH AFRICAN COUNTRIES). INEQUALITY AND UNEMPLOYMENT IN THE TIME OF COVID-19 (pp.231-246), London: IJOPEC Publication Limited.

ÖZDİL, TUNCER, And ANIL İLKEM ASLAN. "MEASURING THE EFFICIENCY OF COUNTRY ECONOMIES BY DATA ENVELOPMENT ANALYSIS (AN ESSAY ON TURKEY, MIDDLE EAST AND NORTH AFRICAN COUNTRIES)." In INEQUALITY AND UNEMPLOYMENT IN THE TIME OF COVID-19 , 231-246. London: IJOPEC Publication Limited, 2022

ÖZDİL, TUNCER And ASLAN, ANIL İ. . "MEASURING THE EFFICIENCY OF COUNTRY ECONOMIES BY DATA ENVELOPMENT ANALYSIS (AN ESSAY ON TURKEY, MIDDLE EAST AND NORTH AFRICAN COUNTRIES)." INEQUALITY AND UNEMPLOYMENT IN THE TIME OF COVID-19 , IJOPEC Publication Limited, 2022, pp.231-246.

ÖZDİL, T. And ASLAN, A. İ. (2022) "MEASURING THE EFFICIENCY OF COUNTRY ECONOMIES BY DATA ENVELOPMENT ANALYSIS (AN ESSAY ON TURKEY, MIDDLE EAST AND NORTH AFRICAN COUNTRIES)", INEQUALITY AND UNEMPLOYMENT IN THE TIME OF COVID-19 . London: IJOPEC Publication Limited.

@bookchapter{bookchapter, author ={TUNCER ÖZDİL And author ={ANIL İLKEM ASLAN}, chaptertitle={MEASURING THE EFFICIENCY OF COUNTRY ECONOMIES BY DATA ENVELOPMENT ANALYSIS (AN ESSAY ON TURKEY, MIDDLE EAST AND NORTH AFRICAN COUNTRIES)}, booktitle={ INEQUALITY AND UNEMPLOYMENT IN THE TIME OF COVID-19}, publisher={IJOPEC Publication Limited}, city={London},year={2022} }