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Cellular Technology
Laurie, S. (5 April, 1993) "GSM Expansion may Drive Cellular Subscriber Growth Worldwide - Global System for Mobile Communications" Mobile Phone News. pp: 16-19
Cellular Communications
Axe, Rebecca; Syvertsen, Amy. Advantages and Disadvantages of Home Schooling. Assignment #12. INCD-240-02. November 24, 2003. Retrieved from http://www.tcnj.edu/~axe2/homeschooling.htm Accessed on 11 April, 2005
Home-Schooling
Kizlik, B. (2004). Direct teaching. Instructional methods: advantages and disadvantages. In ADPRIMA, How to write learning objectives: a self instructional guide to effective practice. Retrieved February 2, 2005 from ADPRIMA. Web site: http://www.adprima.
Authoritarian Supervision
Babycenter. ""Home Daycare: Advantages and Disadvantages." Retrieved April 15, 2005:http://www.babycenter.com/recap/baby/babychildcare/6039.html
Family Daycare
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