Книги автора Sixten Lundström
Sixten Lundström
учебная и научная литература, учебники и пособия для вузов, знания и навыкиAround the world a multitude of surveys are conducted every day, on a variety of subjects, and consequently surveys have become an accepted …
Around the world a multitude of surveys are conducted every day, on a variety of subjects, and consequently surveys have become an accepted …
