Chaiwat Makhonpas. 2001. Water logging effects on dwarfed apple trees as dependent on fruit load. Institut fur obstbau und Gemusebau, Rheinischen Friedrich Wilhelms Universitat;
Chaiwat Makhonpas. (2001) Water logging effects on dwarfed apple trees as dependent on fruit load . Rheinischen Friedrich Wilhelms Universitat/Bonn.
Chaiwat Makhonpas. Water logging effects on dwarfed apple trees as dependent on fruit load. . Bonn:Rheinischen Friedrich Wilhelms Universitat, 2001.
Chaiwat Makhonpas. (2001) Water logging effects on dwarfed apple trees as dependent on fruit load . Rheinischen Friedrich Wilhelms Universitat/Bonn.