The development and use of biogas technology in rural areas of Asia : a progress
Yadava, L. S
The development and use of biogas technology in rural areas of Asia : a progress - Rome FAO 1981 - 141p.
662.76:631.86(5) / Y1T
The development and use of biogas technology in rural areas of Asia : a progress - Rome FAO 1981 - 141p.
662.76:631.86(5) / Y1T