Dangos 1 - 2 canlyniadau o 2 ar gyfer chwilio 'Ledec, George', amser ymholiad: 0.01e Mireinio'r Canlyniadau
  1. 1

    Wildlands their protection and management in economic development gan Ledec, George

    Cyhoeddwyd 1988
    Llyfr

    Wildlands their protection and management in economic development
  2. 2

    Environmental management in tropical agriculture gan Goodland, Robert J. A. 1939-

    Cyhoeddwyd 1984
    Llyfr

    Environmental management in tropical agriculture

Offerynnau Chwilio: