Benyanan Panwong และ Yutthapong Udnan. (2012) Development of digestion techinques for the determination of total phosphorus in natural rubber latex /. Naresuan University,:ม.ป.ท.Benyanan Panwong และ Yutthapong Udnan. 2012. Development of digestion techinques for the determination of total phosphorus in natural rubber latex /. ม.ป.ท.:Naresuan University,;Benyanan Panwong และ Yutthapong Udnan. Development of digestion techinques for the determination of total phosphorus in natural rubber latex /. ม.ป.ท.:Naresuan University, 2012. Print.