Analisis Materi Klasifikasi Tumbuhan Pada Buku Teks Pelajaran Biologi SMA K…

This research aims to know the presence of the bacteria Escherichia coli on coconut ice drink that are sold in Suka Karya street Tampan district Pekanbaru city in October 2018 to May 2019. This research is an descriptive study was conducted with the 2 phases that is phase test the bacteria Escherichia coli in the lab and phase module design. The samples are taken by purposive sampling method ar…