Gaya APA

Gafur, A. et al (2020). Comparison of coherent optical transmission systems performance by DP-QAM levels (IJECE Vol. 10, No. 3, June 2020) . Bangladesh: .

Gaya MLA

Gafur, Abdul. et al. "Comparison of coherent optical transmission systems performance by DP-QAM levels (IJECE Vol. 10, No. 3, June 2020)". Bangladesh: , 2020. Text.