Muljono, Slamet, et al. “THE IMPACT OF ROAD CONSTRUCTION SECTOR ON HOUSEHOLD INCOME INTRA AND INTER-REGION OF WEST-EAST INDONESIA”. Jurnal Jalan Jembatan, vol. 27, no. 1, Nov. 2018, p. 15, https://binamarga.pu.go.id/jurnal/index.php/jurnaljalanjembatan/article/view/482.