Wardani, D. A., Rosidin, U. and Rochmiyati (2021) “Development of Assessment Instruments in Project-Based Learning to Measure Collaboration Skills and Compassion for Students in Elementary School”, The International Journal of Social Sciences World (TIJOSSW), 3(1), pp. 218–227. Available at: https://www.growingscholar.org/journal/index.php/TIJOSSW/article/view/116 (Accessed: 3 November 2026).