41 Education, training, teaching; correspondence teaching and courses, including by electronic correspondence, post-grade teaching, preparation to competitive examinations and exams, organization of competitive examinations and exams; arranging and conducting of training courses, language teaching; issuance of diplomas and recognized certificates, training and teaching, namely, granting of titles of specialisation and excellence; publication of books, of teaching materials and of medium for computer or multimedia courses; assistance to training of business managers; vocational guidance