共 5 条
[1]
*GOV PAKIS, 1964, OUTL 3RD 5 YEAR PLAN, P17
[2]
JONES PHM, 1964, FAR E EC REV, V43, P16
[3]
NASSER MA, 1963, ASIAN EC, V1, P19
[4]
PAPANEK GF, 1962, AM EC REV PAPERS P, V52, P54
[5]
1963, IND NATURAL RESOURCE, V2, P27