LUDWIG, H., Anderson, D., R. Ludwig, . Appropriate environmental standards in developing nations,
, 1992, с. 17-30.
LUDWIG, H., Anderson, D., R. Ludwig, . .
Appropriate environmental standards in developing nations.
: , 1992, с. 17-30.
LUDWIG, H., Anderson, D., R. Ludwig, . (1992)
Appropriate environmental standards in developing nations,
: , с. 17-30
LUDWIG, H.,
Anderson, D., &
R. Ludwig, .
(1992).
Appropriate environmental standards in developing nations. WATER SCIENCE ANDTECHNOLOGY. 25 (N9), с. 17-30.