Danuch Panchapornpon และ Sontaya Limmatvapirat. (2011) Development of Shellac Esters as Alternative Enteric Polymers Through Solid-State Reactions. Silpakorn University:ม.ป.ท.Danuch Panchapornpon และ Sontaya Limmatvapirat. 2011. Development of Shellac Esters as Alternative Enteric Polymers Through Solid-State Reactions. ม.ป.ท.:Silpakorn University;Danuch Panchapornpon และ Sontaya Limmatvapirat. Development of Shellac Esters as Alternative Enteric Polymers Through Solid-State Reactions. ม.ป.ท.:Silpakorn University, 2011. Print.