TY - BOOK AU - Bekker,Z. TI - The measurement of economic development levels in developing countries using natural indicators: : methodology and some preliminary calculations. T2 - (Paper No.1 - 14 are all bound in one book; 6) AV - EAF FOL DT421.E3 Vo.1 AB No.6 PY - 1971/// CY - Kampala PB - Universities Social Sciences Council KW - Development KW - Economics KW - Developing countries ER -