List of Articles فلدسپات Open Access Article Abstract Page Full-Text 1 - Preparation and Characterization of Nano-Feldspar/TiCl4 as a Novel Nanocatalyst and its Application for Synthesis of Dihydropyrano [2,3-b] Chromen Dione Derivatives E. Abyar B. Sadeghi M.H. Mosslemin