1. Agus A. Sports of Physical Fitness: An Introduction. Sumatera Barat: Sukabina Press; 2012.
2. Pekik D. Healthy and Fit with Sports (In Indonesian). Bojong Nangka: Raja Grafindo Persada; 2004.
3. Almatsier S. Basic Principles in Nutrition. Jakarta: Gramedia Pustaka Utama; 2005.
4. National Institute of Health Research and Development, Indonesian Ministry of Health. Basic Research in Health; 2013.
5. Stoltzfus RJ, Dreyfuss ML. Guidelines For The Use of Iron Supplements To Prevent and Treat Iron Deficiency Anemia.; 1998. http://www.univ-lille1.fr/pfeda/Ngonut/1998/9808e.htm