Muliadi, Lalu, et al. “PENGARUH KUALIFIKASI KONTRAKTOR TERHADAP KUALITAS PEKERJAAN PROYEK KONSTRUKSI DI KABUPATEN LOMBOK TIMUR: An Analysis Effect of Contractor Qualification on Construction Project Quality in East Lombok District”. Spektrum Sipil, vol. 4, no. 2, Sept. 2018, pp. 172-80, https://spektrum.unram.ac.id/index.php/Spektrum/article/view/125.