Linen management in Hotel pangeran Pekanbaru need to be improved. Things are not managed perfecly. For example, lack of the number of various linen or linen is not in a good condition. These negative thing often cause some ...

The increasing of material timber industrial will lead to extension of plantation forest area in peat soil. In natural peat land forest, condition of soil is always reductive and moist, soil reaction (pH) is very acid and ...