000 00431nam a2200169Ia 4500
082 _a309.2509542
_bD229.FE
100 _aDas, R. B. and Singh, D. P.
245 _aFormulation and execution of block plans; a case study
260 _aCalcutta
_bOxford University Press
_c1968
300 _axv, 154p.
500 _a
690 _a
700 _aSingh, D. P. ; jt. auth.
856 _d
_f
964 _a
_b
_c
_d
_e
_f
_g
921 _a1440
999 _c1440
_d1440