We are proud to announce the publication of the issue 3 of volume 3 of Journal of systems thinking in practice. Those interested can see the article of this issue at the following address: https://jstinp.um.ac.ir/issue_5917_6019.html The articles in the issue are: 1- Analyzing Iranian Public Sector Big Data System Requirements Based on System Design Thinking. 2- Sustainable Human Resources Management, a Strategy Toward Sustainable Organizational Development; Emphasizing Social Sustainability with a Fuzzy Dematel Approach. 3- Future-Oriented Policy Making in Oil Exploration and Extraction Using a System Dynamics Approach. 4- Systems Thinking in the Circular Economy: An Integrative Literature Review. 5- Development of Iran's Electricity Transmission Capacity, Based on Forecasting the Demand Trend Using the System Dynamics Approach. 6- Improving the System of Urban Development Plan by Formulating the Mess and Using Soft Systems Methodology. 🔹🔹🔹🔹🔹🔹🔹🔹🔹🔹🔹 stinp.um.ac.ir @STinP