Malaysia's natural rubber production down by a third in April | The Star
Rubber tree | Definition & Facts | Britannica
Glut In Natural Rubber Seen Shrinking As Prices Drop And China Car Sales Rise
A farmer collects latex in a rubber plantation at Deli Serdang district of the Indonesia's North Sumatra province December 16, 2008. With tyres accounting for 70 percent of world rubber demand, analysts