Van Deventer-Maas Indonesia (VDMI Board – Prof. Irfan Dwidya Prijambada and Prof. Ningrum Sirait, Executive Director YVDMI – P.Manoto and Staff VDMI) together with Van Deventer-Maas Stichting Board in Netherland (Berit van Hulst, Ivo ten Pierick and Sicco Jacobs) visited
