فهرس المقالات farzad zamani المقاله 1 - BaO/TiO2-ZrO2 as a green and efficient basic catalyst for Knoevenagel condensation reaction 20.1001.1.22520236.2011.1.2.2.6 Roozbeh Kalbasi Zohreh Shahzeidi Farzad Zamani Iranian Journal of Catalysis , العدد 5 , السنة 1 , بهار 2011