Analysis of information sources in references of the Wikipedia article "塞尔维亚帝国" in Chinese language version.
At the time of great rise of the Serbian state in the early 14th century, Kosovo was the richest and most densely populated region, with political, ecclesiastical and cultural centers
At the time of great rise of the Serbian state in the early 14th century, Kosovo was the richest and most densely populated region, with political, ecclesiastical and cultural centers
