5611-1987, . (1987). CODE OF PRACTICES FOR CONSTRUCTION OF WASTE STABILIZATION PONDS (FACULTATIVE TYPE). DELHI: ISI.
5611-1987, . 1987. CODE OF PRACTICES FOR CONSTRUCTION OF WASTE STABILIZATION PONDS (FACULTATIVE TYPE). DELHI: ISI.
5611-1987, . CODE OF PRACTICES FOR CONSTRUCTION OF WASTE STABILIZATION PONDS (FACULTATIVE TYPE). DELHI: ISI. 1987.