Saputra, Rakhamat Danney, and Roza Mildawati. 2016. “Analisis Efektifitas Penggunan Excavator Long Arm Dan Excavator Standart Arm Pada Kegiatan Normalisasi Sungai Muara Kelantan Kabupaten Siak Sri Indrapura: Efectivity Analysis of The Usilization of Standard and Long Arm Exavator on The Project of Muara Kelantan River Normalisation in The District of Siak Sri Indrapura”. JURNAL SAINTIS 16 (2):81-90. https://journal.uir.ac.id/index.php/saintis/article/view/1757.