TY - BOOK ED - Food and Agriculture Organization of the United Nations. TI - Guidelines for the computation of selected statistical indicators SN - 9251023670 (pbk.) AV - HD1425 .G85 1986 U1 - 338.1/072 19 PY - 1986/// CY - Rome PB - Food and Agriculture Organization of the United Nations KW - Agriculture KW - Statistical methods N1 - Bibliography: p. 21. + p. 61 ER -