Zamora Torres, América Ivonne; Pedraza Rendón, Oscar H. - In: Journal of Economics, Finance and Administrative Science 18 (2013) 35, pp. 108-118
competitive countries in this field are: USA, Hong Kong, Singapore, China, Sweden, Spain, Japan, Belgium, Denmark and Canada … internacional son, en orden descendente, Hong Kong, Estados Unidos, Singapur, China, Suecia, España, Japón, Bélgica, Dinamarca y …