The Co-composting of domestic solid and human wastes od Obeng, Letitia A. 1954-

A chemical study of the essential oil from the fruit peeling of Psidium guajava L. od Oliveros-Belardo, Luz, Smith, Roger M., Robinson, Janet M., Albano, Victoria

Polni tekst

Sanitation without water od Winblad, Uno

Sanitation without water od Winblad, Uno

Garbage as you like it od Goldstein, Jerome 1931-

Ammonium chloride fertilizer plant od Corpuz, Clarito F.

Municipal composting od Davies, Alfred George

Composting sanitary disposal and reclamation of organic wastes od Gotaas, Harold Benedict 1906-

A complete guide writing od Dunbar, Howard Howard heenter 1903-

The soil and health a study of organic agriculture od Howard, Albert Sir 1873-1947