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Video
Experimento de manejo de fertilizantes
(CIMMYT, 1979)
Video
Foliar diseases of maize plants: part 1
(CIMMYT, 1979)
Video
Maize training field lecture
(CIMMYT, 1979)
Video
The Maize Program: part 3
(CIMMYT, 1978)
Video
Verification trial: Cañada Rica
(CIMMYT, 1979)
Video
The Maize Program: part 1
(CIMMYT, 1978)
Video
The Maize Program: part 2
(CIMMYT, 1978)
Video
History of a Mexican Agriculture
(The Rockefeller Foundation, 1971)