Moreno-Albarracín, Antonio Luis, Cristina Ortega-Rodríguez, Ana Licerán-Gutiérrez, Álvaro Labella, and Luis Martínez. “Transparency Indicators to Improve Accountability for Non-Profit Organizations: A Spanish Case Study”. Technological and Economic Development of Economy 27, no. 3 (May 25, 2021): 763-782. Accessed July 2, 2024. https://aviation.vgtu.lt/index.php/TEDE/article/view/14821.