List of Articles Four-component Open Access Article Abstract Page Full-Text 1 - Brönsted acidic ionic liquid as a recyclable catalyst for the one pot four-component synthesis of substituted pyrano[2,3-c]pyrazoles Leila Khazdooz Amin Zarei Open Access Article Abstract Page Full-Text 2 - A Novel Cobalt Organic-Inorganic Hybrid Magnetic Nanocatalyst for Convenient Four-Component Synthesis of 3,4-Dihydropyridones Maryam Barazandehdoust Manouchehr Mamaghani Hassan Kefayati 10.30495/ijc.2022.1959315.1938 Open Access Article Abstract Page Full-Text 3 - NanoZnO as an efficient & reusable catalyst for the preparation of 1,4-DHPs via Hantzsch reaction Fatemeh Tamaddon Somayeh Moradi Open Access Article Abstract Page Full-Text 4 - Task-centered instruction, an effective approach in developing teaching skills (design, implementation, assessment) somaye ghazi morteza karami Samad Izadi