Kort Begrip Van Kei (dutch Edition)Willem Heemskerk, Karlijn Teuben, Renee Wieringa · First published 2016Open the Tome
Changing agricultural education from withinWashington Ochola, Willem Heemskerk, Mariana Wongtschowski · First published 2013Open the Tome
Farmers' organizations and agricultural innovationBertus Wennink, Willem Heemskerk · First published 2006Open the Tome
The wetland agricultural system in Western ProvinceM. S. Dicko, Willem Franciscus Antonius Heemskerk · First published 1990Open the Tome
Waterrecht en waterschapsrechtWillem Franciscus Antonius Heemskerk · First published 1985Open the Tome
