List of Articles پيش دبستاني Open Access Article Abstract Page Full-Text 1 - The Effectiveness of Scientific Thinking Teaching on Problem Solving Skill in Preschool Children: Designing and Implementing a New Problem Solving Tool Lida Malekzade Elahe Hejazi Mahmoud Talkhabi Zahra Naghsh Open Access Article Abstract Page Full-Text 2 - Investigating the effect of implementing a philosophy for children program on improving preschool children's questioning (case study of Kerman city) Mohadeseh Borhani Nejad masoumeh ramezani fini