The authors would like to express their gratitude to all the officials who in one way or other assisted in the successful completion of this consultancy. We thank particularly Messrs. Hasan Mubarak and Bambang Wahjudi for assisting in the field work; Soeyanto Tirtosoehardjo, Soehardi Pontjoprawiro, D.H. Jusuf and Julius Silaen for discussing the report and for supplying necessary data for its completion. Special gratitude is also due to Mrs. Budiningsih Sunyoto for the coordination and assistance.
