Sources list for PROTEIN VITAMIN INTERACTION

Interaction. (1980). See Manage Your Meetings: The Interaction Method. San Francisco: Interaction Associates, Inc.
Types of Leaders

Ziegler, J. A., & International Conference on Human-Computer Interaction, 1999 Munich, Germany. (1999). Human-Computer Interaction: Proceedings of HCI International '99 (The 8th International Conference on Human-Computer Interaction), Munich, Germany, Aug
Aviation and Crew Resource Management

Webb, N. M. (1983). Predicting learning from student interaction: Defining the interaction variables. Educational Psychologist, 18(1), 33-41.
Direct Instruction and Cooperative Learning

Nacinamide Helps to Lighten Skin. Retrieved from http://www.vitamins-nutrition.org/vitamins-research/vitamin-b3/nacinamide-lighten-skin.html Accessed on 8 December, 2004
Pigmentation

Snell J. Improving Teacher-Student Interaction in the EFL Classroom: An Action Research Report. (Toyo Women's College (Tokyo, Japan), 1999). http://iteslj.org/Articles/Snell-Interaction.html)
SACSA and ESL