1. 1. Jeena Joy, Athira Poovathody, Athul R S, Athul Subran, Basil Paul, ―Implementation of Digital Dice Game‖, Professor, Dept. of EEE, Mar Athanasius College of Engineering, Kothamangalam1 UG Student, Dept. Of EEE, Mar Athanasius College of Engineering, Kothamangalam, India2, 3, 4, 5, Vol. 3, Issue 2, February 2014
   2. Harold Thimbleby FIT Lab — Interaction Laboratory, Swansea University, ―Don’t use seven segment displays‖ Swansea, Wales. p- 1-6 
   3. Pang, GKH; Chan, CH; Kwan, TTO, ―Tricolor lightemitting diode dot matrix display system with audio output‖, IEEE TRANSACTIONS ON INDUSTRY APPLICATIONS, VOL. 37, NO. 2, MARCH/APRIL 2001 , p.534-540.
   4. Ervin John U. Benigra, Bryan Leonard D. Montaño and Engr. Maridee B. Adiong,‖ RUNNING MESSAGE BOARD USING DOT-MATRIX DISPLAY‖ Capitol University ,College of Engineering, Cagayan de Oro City.
   5. Wojciech Kunikowski, Ernest CzerwiÅ„ski, PaweÅ‚ Olejnik, Jan Awrejcewicz, An Overview of ATmega AVR Microcontrollers used in Scientific Research and Industrial Applications, Department of Automation, Biomechanics and Mechatronics, Lodz University of Technology, 90–924 Łódź, 1/15 Stefanowski str. R. 19, Nr 1/2015, 15–20, DOI: 10.14313/PAR_215/15