000 00402nam a2200157 4500
005 20250519144610.0
008 250519b |||||||| |||| 00| 0 eng d
050 _aS471.D9 1990
100 _aDvorak, K
245 _aExploratory surveys in research planning
260 _aIbadan
_bIITA
_c1990
300 _a19p.
650 _aAgricultural survey, research, planning
700 _aIzac
942 _cBK
999 _c13553
_d13553