Žumer, M., Zeng, M., & Salaba, A. (2012). FRSAD: Conceptual Modeling of Aboutness, 1st Ed. ABC-CLIO. https://oaks.kent.edu/node/4301
Žumer, Maja, Marcia Zeng, and Athena Salaba. 2012. “ 1st Ed”. ABC-CLIO. https://oaks.kent.edu/node/4301.
Žumer, M., M. Zeng, and A. Salaba. FRSAD: Conceptual Modeling of Aboutness, 1st Ed. ABC-CLIO, 1 Jan. 2012, https://oaks.kent.edu/node/4301.