The 2nd International Workshop took place in Nazreth, Ethiopia, November 19th-25th 1997. On the contrary to previous seminars and 1st workshop, the participants of this Workshop arranged for their sponsorship on individual basis. In total about 50 persons participated out of those 27 participants were from foreign countries. Thirty-five papers were presented and discussed and thirty-one of these were published in the Proceedings. Danida and Norad, the Norwegian Development Agency, were the main sponsors of the foreign participation. Through EnDeCo, Danida sponsored the edition and the contribution for the publication of the 2nd Proceedings.