1. Ayodele, K.P., Kehinde, L.O., Komolafe, O.A.: Hybrid online labs. Int. J. Online Eng. (iJOE) 8(4), 42–49 (2012)
2. O.M.G. (OMG®). Unified Modeling Language Specification Version 2.5.1.
https://www.omg.org/spec/UML/2.5.1/PDF
. Accessed June 2019
3. Sparx Systems Pty Ltd., UML 2 Tutorial - State Machine Diagram.
https://sparxsystems.com/resources/tutorials/uml2/state-diagram.html
. Accessed June 2019
4. Henke, K., Fäth, T., Hutschenreuter, R., Wuttke, H.-D.: Gift – an integrated development and training system for finite state machine based approaches. Int. J. Online Eng. (iJOE) 13(08), 147–162 (2017)
5. TU Ilmenau/IKS, “BEAST Manual,” TU Ilmenau, 25 April 2017.
http://goldi-labs.net/BEAST/doc/beast_manual_english.pdf
. Accessed 28 May 2019