The-Need-Of-Tree-Tenure-Security-To-Maintenance-The-Traditional-Agroforestry-(Parak)-In-Koto-Malintang-Village,-West-Sumatra The-Need-Of-Tree-Tenure-Security-To-Maintenance-The-Traditional-Agroforestry-(Parak)-In-Koto-Malintang-Village,-West-Sumatra