List of Articles Open-Ended Problem Open Access Article Abstract Page Full-Text 1 - Investigating of the mathematical creativity of tenth grade students using open ended problem posing in structured situations Majid Yousefi Ebrahim Reyhani Mohammad Hassan Behzadi Open Access Article Abstract Page Full-Text 2 - The effect of teaching based on the open-ended problem posing, on the mathematical creativity of the tenth-grade students of gifted students Majid Yousefi Ebrahim Reyhani محمد حسن بهزادی