1. Adachi, K. (2000) The development of social welfare services in Japan. Available at:
http://www.lit.kyushu-u.ac.jp/~adachi/The%20Development%20of%20Social%20Welfare%20Services%20in%20Japan.htm
.
2. Anderson, R. I., Weeks, H. S., Hobbs, B. K., & Webb, J. R. (2003). Nursing home quality, chain affiliation, profit status and performance. Journal of Real Estate Research,
25(1), 43–60.
3. Bhagavath, V. (2010) Technical efficiency measurement by data envelopment analysis: An application in transportation. Alliance Journal of Business Research, 6, 1–4. Available at:
http://ajbr.org/archives.htm
.
4. Björkgren, M. A., Häkkinen, U., & Linna, M. (2001) Measuring efficiency of long-term care units in Finland. Health Care Management Science, 4(3), 193–200.
5. Blank, J. L., & Valdmanis, V. (2005). A modified three-stage data envelopment analysis. The European Journal of Health Economics,
6(1), 65–72.