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DETEKSI BAKTERI Salmonella DAN Shigella PADA MAKANAN BURGER DI SUNGAI RAYA DALAM PONTIANAK Apriani, Lisa; Rahmawati, Rahmawati; Kurniatuhadi, Rikhsan
Jurnal Protobiont Vol 8, No 3 (2019)
Publisher : Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/protobiont.v8i3.36836

Abstract

Burger is one of the food in Indonesia that consists of bread, meat, vegetables, sauce, and mayonnaise. This study aims to detect the bacterial presence from genus Salmonella and Shigella in burger food sold in Sungai Raya Dalam, Pontianak. Samples were collected from the location consist of cooked whole burger, precooked bread, postcooked bread, precooked burger meat, postcooked burger meat, lettuce, tomatoes, cucumbers, sauce, and mayonnaise ware bought from six traders. Based on the research, sixty samples tested in Salmonella Shigella Agar (SSA) media showed that 28,33% samples was contaminated with by Salmonella and 3,33% samples was contaminated by Shigella, this showed that burger samples in Sungai Raya Dalam Pontianak could be contaminated by bacteria members of the genus Salmonella and Shigella and exceed the threshold that has been determined by SNI is negative / 25g
Implementation of Role Playing Model in Social Studies Learning Social Interaction Material for Grade IV Students Apriani, Lisa; Pandra, Viktor; Lontoh, Willy
Global Education Journal Vol. 3 No. 2 (2025): Global Education Journal (GEJ)
Publisher : Civiliza Publishing, Indonesia.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59525/gej.v3i2.519

Abstract

Social Science Education (IPS) is very important to be taught at all levels of formal educational institutions, from elementary school to higher education. The purpose of this study is to examine the implementation of role playing model in social studies learning social interaction material for Grade IV Students of Sukadana Elementary School. The research method used in this study is quantitative with a pseudo-experiment method. The results of the study showed that the average student learning outcome during the pre-test was 49.39 and the student learning completeness reached 9.09% While the average student learning outcome during the post-test was 81.21 and the student learning completeness reached 90.91%, From the comparison it shows that Z_(count)> Z_(table) on the Z distribution list with a significant level of α = 0.05 obtained Z_(count) (5.61) > Z_(table) (1.65) then Ha is accepted and Ho is rejected. So it was concluded that the learning outcomes in social studies learning for grade IV students of SD Negeri Sukadana were significant. This research should be used as a comparative reference in conducting further research and add scientific insights, experience and can contribute to social studies learning, especially improving social studies learning outcomes of students.