Irrigated agriculture in Bulgaria /
Donev, Kiril, kandidat na ikonomicheskite nauki,
Irrigated agriculture in Bulgaria / Kiril Donev ; translated by Petko Denkov ; edited by Krassimira Noneva - 71 páginas : ilustraciones
Riego--Bulgaria
Ingeniería hidráulica--Bulgaria
S616.B8 / D6513
631.7/094977
Irrigated agriculture in Bulgaria / Kiril Donev ; translated by Petko Denkov ; edited by Krassimira Noneva - 71 páginas : ilustraciones
Riego--Bulgaria
Ingeniería hidráulica--Bulgaria
S616.B8 / D6513
631.7/094977