SHORT TERM PRICE FORECASTING OF NATURAL RUBBER IN THE WORLD MARKET By AYE AYE KHIN, EDDIE CHIEW F. C, MAD NASIR SHAMSUDIN, ZAINAL ABIDIN MOHAMED Email: ayeaye5@yahoo.com , eddie@econ.upm.edu.my , nasir@env.upm.edu.my , zam@agri.upm.edu.my Department of Agribusiness & Information Systems Faculty of Agriculture University Putra Malaysia Kuala Lumpur Malaysia