Analysis of information sources in references of the Wikipedia article "Oligopoly" in English language version.
It is considered that the telecommunications market has an oligopolistic structure in most countries.
most of the rail freight markets still have an oligopolistic structure...
It is considered that the telecommunications market has an oligopolistic structure in most countries.
It is considered that the telecommunications market has an oligopolistic structure in most countries.
most of the rail freight markets still have an oligopolistic structure...
{{cite web}}
: CS1 maint: archived copy as title (link){{cite web}}
: CS1 maint: archived copy as title (link)