أنشئ حسابًا أو سجّل الدخول للانضمام إلى مجتمعك المهني.
Learning and developing skills qualifies for certification.
Sales is a combination of skills and talent that you cannot study at universities to get a certificate. You can learn tactics and techniques from experienced people who are not necessarily high educated. Sales is a set of acting and reacting in different situations. To do it well, you should have good experience.