La-Orngdow Mulsow และ Nuchnapa Tangboriboon. (2012) A study of calcium zeolite type a from eggshells forming using binder, compression and polyurethane foam as template. Kasetsart University:ม.ป.ท.La-Orngdow Mulsow และ Nuchnapa Tangboriboon. 2012. A study of calcium zeolite type a from eggshells forming using binder, compression and polyurethane foam as template. ม.ป.ท.:Kasetsart University;La-Orngdow Mulsow และ Nuchnapa Tangboriboon. A study of calcium zeolite type a from eggshells forming using binder, compression and polyurethane foam as template. ม.ป.ท.:Kasetsart University, 2012. Print.