Anggiaty, Sarita, and Hj. Latifah, Ssi, Mmsi Hj. Latifah, Ssi, Mmsi. "Analysis of Rice Price Increase or Decrease in West Java and East Java in 2003 Using the Link Index." Jurnal Sistem Informasi STMIK Jakarta STI&K, 2007.
Index is one measure in the science of statistics used to indicate changes in the value of a set of variables relate to one another. The numbers generated in a calculation by using a chain index is expressed in percent.