Mariana Wongtschowski

Mariana Wongtschowski is the author of "Business of Agricultural Business Services", "Achieving Sustainable Cultivation of Maize Volume 1" and "Putting Heads Together".

Books by Mariana Wongtschowski

Putting Heads Tog...
Nederlof Suzanne
Paperback: $39.95

Achieving Sustain...
Watson Dave
Hardback: $195.00

Business of Agric...
Kahan D.
Paperback: $39.95