https://eqavet.eoppep.gr/%CE%B2%CE%B9%CE%B2%CE%BB%CE%B9%CE%BF%CE%B8%CE%AE%CE%BA%CE%B7/%CE%AD%CF%81%CE%B5%CF%85%CE%BD%CE%B5%CF%82-%CE%BC%CE%B5%CE%BB%CE%AD%CF%84%CE%B5%CF%82/oecd-asssessment-and-recognition-of-prior-learning