Pojchana Magrood-In และ Naruemon Yutakom. (2008) A professional development program for lower secondary science teachers' development of pedagogical content knowledge in genetics. Kasetsart University:ม.ป.ท.Pojchana Magrood-In และ Naruemon Yutakom. 2008. A professional development program for lower secondary science teachers' development of pedagogical content knowledge in genetics. ม.ป.ท.:Kasetsart University;Pojchana Magrood-In และ Naruemon Yutakom. A professional development program for lower secondary science teachers' development of pedagogical content knowledge in genetics. ม.ป.ท.:Kasetsart University, 2008. Print.