The purpose of this study is to produce a model of learning development that aims to increase student motivation motion for SMA Negeri 1 Boja . The method of research is the development of a model refers to the development of Brog and Gall : ( 1 ) to analyze the products that will be developed from the results of field observations and literature review . ( 2 ) developing the initial ... https://www.roneverhart.com/Western-Digital-Ultrastar-DC-HC550-WUH721816ALE6L0-0F38460-16TB-7-2K-RPM-SATA-6Gb-s-512e-ISE-3-5in-Hard-Drive/