Ostad-Ahmad-Ghorabi, H. ., Sharma Purohit, V. ., Seier, N. ., Dereli, Y. . and Haas, W. . (2011) “Understanding requirements for a holistic tool for Ecodesign-first steps: Engineering Design”, International Journal of Fundamental Physical Sciences, 1(4), pp. 68-73. doi: 10.14331/ijfps.2011.330017.