1) sources (LCBPP 1) is a land area features increased distance from the sources of raw materials. The criteria used to define the distance from rubber plantations is a km m.
1) source material (LCBPP 1) the manner in which the land of the distance from the source material. Criteria is the distance from the rubber unit is kilometers away.
1) source material (LCBPP 1) is the land from the distance from the source material. The criteria used to determine the distance from the rubber plantation area units kilometers meters.