The conception of fuzzy central places (FCP), proposed by P. Em, made possible the understanding of the central functions' (CF) heterogenic distribution inside the urban agglomerations. The FCP is a bounded region of a set of points with CF. The correlation analysis proved a strong relation...

As Korea is expected to see an increase in the share of single-parent families, this study analyzes the impact of a family transition from a two-parent to single-parent home on child development. The level of development is measured based on health, self-regulated learning, emotional disorders,...