The Operational seminar :
Clerck, Marcel de
The Operational seminar : a training method to foster development / Marcel de Clerck. - Geneva : OIE, 1990. - 16 p. - Literacy lessons .
37.014. 22 (100) =20 CLE.
The Operational seminar : a training method to foster development / Marcel de Clerck. - Geneva : OIE, 1990. - 16 p. - Literacy lessons .
37.014. 22 (100) =20 CLE.