2 द्वारा ईबुक G. Howard
J. Chilton & I. Chorus: Protecting Groundwater for Health
Protecting drinking-water resources is the first barrier against pathogens and substances hazardous to health. Practitioners in drinking-water supply or surveillance – from the local and technical le …
PDF
अंग्रेज़ी
DRM
€178.51
H. Butler & G. Howard: Poucher’s Perfumes, Cosmetics and Soaps
This classic work by Poucher, first published in 1923, was last produced in three volumes titled, respectively The Raw Materials of Perfumery (seventh edition, 1974), The Production, Manufacture and …
PDF
अंग्रेज़ी
DRM
€57.78
