Soil and water conservation manual for Eritrea/
Negassi, A.
Soil and water conservation manual for Eritrea/ Amanuel Negassi; Estifanos Bein; Kifle Ghebru and Bo Tengnas - Nairobi: RELMA, 2002. - x, 246p.: ill.; 29 cm.
Includes bibliography and index
9966896651
DUCE S623.N52
Soil and water conservation manual for Eritrea/ Amanuel Negassi; Estifanos Bein; Kifle Ghebru and Bo Tengnas - Nairobi: RELMA, 2002. - x, 246p.: ill.; 29 cm.
Includes bibliography and index
9966896651
DUCE S623.N52