PENGARUH PENGGUNAAN ALAT PERAGA DARI BAHAN BEKAS TENTANG SISTEM PEREDARAN DARAH PADA MANUSIA TERHADAP HASIL BELAJAR BIOLOGI SISWA KELAS XI SMA NEGERI 7 KOTA KUPANG TAHUN AJARAN 2014/2015

This study aims to determine the effect ofthe use of props from scrap material son the human circulatory system to the learning outcomes compared to the results of studying biology classes which were not taught using the media props in class XI SMAN 7 Kupang in the academic year 2014/2015.Problems encountered in the scholar teachers do not use visu

In this paper, we develop a profit-sharing-based optimal Pine Bark routing mechanism to incentivize horizontal collaboration among urban goods distributors.The core of this mechanism is based on exchanging goods at meet points, which is optimally planned en route.We propose a Collaborative Electric Vehicle Routing Problem with Meet Points (CoEVRPMP