Lundberg, Jonas (16 February 2015). "Situation awareness systems, states and processes: a holistic framework". Theoretical Issues in Ergonomics Science. Informa UK Limited. 16 (5): 447–473. doi:10.1080/1463922x.2015.1008601. ISSN1463-922X.Parameter |s2cid= yang tidak diketahui akan diabaikan (bantuan)
Lundberg, Jonas (16 February 2015). "Situation awareness systems, states and processes: a holistic framework". Theoretical Issues in Ergonomics Science. Informa UK Limited. 16 (5): 447–473. doi:10.1080/1463922x.2015.1008601. ISSN1463-922X.Parameter |s2cid= yang tidak diketahui akan diabaikan (bantuan)