Figure 6. response encrypted on the matter of preference asked for 2,000 people as the original samples BZV/PNR or 1000 people by city (source Author)

From

Competition in the Air Transport Market in Congo. Ligne/Pointe-Noire

Ngomah Madgil Don Stenay Junior, Pr Zhang Youtang

Journal of Finance and Economics. 2016, 4(1), 10-20 doi:10.12691/jfe-4-1-2