Sainmhíniú agreement launched in 1979 with the objective to control the supply side of natural rubber in terms of quantity and price level Tagairt "Verico, K. Economic Cooperation in Natural Rubber: The Impacts on Natural Rubber’s World Supply and Indonesia’s Economy http://ageconsearch.umn.edu/bitstream/199419/2/AJAD_2013_10_2_5Verico.pdf [21.10.2016]"