Thanya Uttraporn และ Rungjarat Hutacharoen. (2011) The effects of the blended fertilizer between centrifuged residue of rubber latex and swine manure for the growth enhancement of para rubber (seedling). Mahidol University:ม.ป.ท.Thanya Uttraporn และ Rungjarat Hutacharoen. 2011. The effects of the blended fertilizer between centrifuged residue of rubber latex and swine manure for the growth enhancement of para rubber (seedling). ม.ป.ท.:Mahidol University;Thanya Uttraporn และ Rungjarat Hutacharoen. The effects of the blended fertilizer between centrifuged residue of rubber latex and swine manure for the growth enhancement of para rubber (seedling). ม.ป.ท.:Mahidol University, 2011. Print.