Many studies have qualitatively explained that information and communication technology(ICT) has loosened the restrictions of distance and space on retailers sales. Few empirical studies, however, hav
Sri Lanka is experiencing speedy urbanization by converting the agriculture land and other natural land cover into built-up land. The urban population of Sri Lanka is expected to reach to 60% by 2030
The rapid development of mariculture in China in recent decades has satisfied peoples demand of seafood, and has made a great contribution to economic development. However, mariculture has also caused