00537nam a2200169Ia 4500 190328s9999||||xx |||||||||||||| ||und|| NITIL NITIL 21st 338.973 U58A United States. National Resources Planning Board Area analysis a method of public works planning Rev. Washington [s.n.] 1943 40+maps Technical paper; no. 6 America-Economic policy; Employment (Economic theory); Natural resources BKS 23480 23480 0 0 DDC 0 0 NITIL NITIL 2019-04-03 0 338.973 U58A 38857 2019-04-03 00:00:00 2019-04-03 BKS