Laddawan Chareonsiriwat และ Warinthorn Chavasiri. (2014) Metal chloride impregnated-pillared clay for coumarin synthesis and anion intercalated Ni/Zn catalyst for michael addition reactions. Chulalongkorn University:ม.ป.ท.Laddawan Chareonsiriwat และ Warinthorn Chavasiri. 2014. Metal chloride impregnated-pillared clay for coumarin synthesis and anion intercalated Ni/Zn catalyst for michael addition reactions. ม.ป.ท.:Chulalongkorn University;Laddawan Chareonsiriwat และ Warinthorn Chavasiri. Metal chloride impregnated-pillared clay for coumarin synthesis and anion intercalated Ni/Zn catalyst for michael addition reactions. ม.ป.ท.:Chulalongkorn University, 2014. Print.