Pereira, D. d. S., & Soares de Mello, J. C. C. (2021). Efficiency evaluation of Brazilian airlines operations considering the Covid-19 outbreak. J Air Transp Manag.
استشهاد بنمط شيكاغوPereira, Deivison da Silveira, و João Carlos C.B Soares de Mello. "Efficiency Evaluation of Brazilian Airlines Operations Considering the Covid-19 Outbreak." J Air Transp Manag 2021.
MLA استشهادPereira, Deivison da Silveira, و João Carlos C.B Soares de Mello. "Efficiency Evaluation of Brazilian Airlines Operations Considering the Covid-19 Outbreak." J Air Transp Manag 2021.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.