KOTA KINABALU, Oct 26 (Bernama) -- The international land boundary demarcation and measurement operation between Malaysia and Indonesia in the Outstanding Boundary Problem (OBP) area of Sungai Sinapad–Sungai Sesai is running smoothly through close cooperation between the technical teams of both countries, according to the Department of Survey and Mapping Malaysia (JUPEM) Sabah in a statement today.