ผู้แต่ง:Nwaokorie, E.E., Osborne, C.A., Lulich, J.P., Albasan, H., Dr.Chalermpol Lekcharoensuk, Assistant Professor,
วารสาร:
Nwaokorie, E.E., Osborne, C.A., Lulich, J.P., Albasan, H., 
Dr.Chalermpol Lekcharoensuk, Assistant Professor
, 