Vail, L. (2012). Developing Microsoft Dynamics GP business applications: Build dynamic mission-critical applications with this hands-on guide. Packt Pub..

Vail, Leslie. Developing Microsoft Dynamics GP Business Applications: Build Dynamic Mission-critical Applications with This Hands-on Guide. Birmingham, UK: Packt Pub., 2012.

Vail, Leslie. Developing Microsoft Dynamics GP Business Applications: Build Dynamic Mission-critical Applications with This Hands-on Guide. Packt Pub., 2012.