Preface Problem Lowayu village is a village in Dukun sub district in Indonesia where most of the people have lime stone industry to be used as limestone or lime, now the local people still sell their products of limestone which still have low economical value so that need further processing in order to obtain products…
Preface Problem The development of world education is increasing, will be directly proportional to the world paper konsusmsi. Paper is a thin and flat material, produced by fiber compression derived from the pulp. The fiber used is usually natural, and contains cellulose and hemicellulose. Rice is a monocotyl plant that grows in the tropics. Rice…