Diponegoro University Postgraduate School received a visit from a university in Sumatra, namely Raja Ali Haji Maritime University (UMRAH) Riau Islands on Thursday, April 6 2023, immediately welcomed by Dr. RB Sularto, SH, MHum Dean of the Postgraduate School besides Complete Wdek 1, 2 and 6 other study programs. From UMRAH represented by the Director of the Postgraduate School Dr. Rumzi Samin, S.Sos., MSi and Dr. Dodi Dermawan, SE, M.Ec Deputy Director of Finance and Cooperation. During the visit the aim was to sign an MOU between Undip’s Masters Program in Environmental Sciences (MIL) and MIL-UMRAH. MIL received cooperation in the field of Research, the MOU was immediately handed over from the Director of Umrah to the Dean of the Postgraduate School and forwarded to the Head of the MIL Study Program, Dr. Eng Maryono.