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Video
Maize training field lecture
(CIMMYT, 1979)
Video
Fertilizer needs of plants
(CIMMYT, 1980)
Video
Agricultural Production Management Seminar: part 2
(CIMMYT, 1979)
Video
Agricultural Production Management Seminar
(CIMMYT, 1979)
Video
CIMMYT's project on policy and agricultural production
(CIMMYT, [197-?])
Video
Proceso de la masa de maiz para tortilla
(CIMMYT, [197?])
Video
Foliar diseases of maize plants: part 2
(CIMMYT, [1979])
Video
Foliar diseases of maize plants: part 3
(CIMMYT, [1979])
Video
Techniques of plant diagnosis
(CIMMYT, 1980)
Video
Stunt disease in maize
(CIMMYT, [1979])