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All Journal Jurnal Lebesgue : Jurnal Ilmiah Pendidikan Matematika, Matematika dan Statistika Jurnal Abdimas Bina Bangsa
Sri Wahyuni
Universitas Bina Bangsa
Decision Sciences, Operations Research & Management Education Languange, Linguistic, Communication & Media Mathematics Social Sciences Other

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PENDAMPINGAN KEPADA PETANI TAMBAK UDANG UNTUK MENINGKATKAN HASIL PANEN PETANI TAMBAK DI DESA WANAYASA, KECAMATAN PONTANG, KABUPATEN SERANG Saepudin Saepudin; Riky Wijaya; Sahroji Sahroji; Sofiatunisa Sofiatunisa; Nindi Dwi Agustin; Sri Wahyuni; Maulana Yusuf; Nabila Erningsilia Pratiwi
Jurnal Abdimas Bina Bangsa Vol. 3 No. 1 (2022): Jurnal Abdimas Bina Bangsa
Publisher : LPPM Universitas Bina Bangsa

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (239.706 KB) | DOI: 10.46306/jabb.v3i1.133

Abstract

The aim of this study was to monitor water quality in vaname culture pond and compare the application of different rearing culture system and feeding variations. Four ponds culture were used as vaname (Litopenaeus vannamei) growth place. Measured parameters include physical and chemical factors such as temperature, brightness, pH, DO, salinity, ammonia, and alkalinity, while growth shrimp performance showed by SGR, SR, and FCR. The research result of the water quality parameters shows an adequate range values for all of the ponds and good enough for shrimp growth, and especially an optimum range value presented in pond three and four. Survival rate (SR) both pond 3 and 4 exhibit a good presentation that is more than 80%, whereas pond 1 and 2 were just less than 70% of SR value. The specific growth rate (SGR) presents also a good presentation in Pond 3 and 4 rather than pond 1 and 2. Based on the feed consumption, pond 1 and 2 show high FCR that is more than 1.7 while pond 3 and 4 present smaller FCR value which is less than 1.7. Finally, it could be concludhat application of floc in culture rearing system of pond 3 and 4 increase water quality and production value than pond 1 and 2
PENGARUH MODEL PEMBELAJARAN DISCOVERY TERHADAP KEMAMPUAN PEMECAHAN MASALAH MATEMATIS SISWA MTS KELAS VIII DI KABUPATEN SERANG Hamidah Hamidah; Vidya Ayuningtyas; Sri Wahyuni
Jurnal Lebesgue : Jurnal Ilmiah Pendidikan Matematika, Matematika dan Statistika Vol. 3 No. 2 (2022): Jurnal Lebesgue : Jurnal Ilmiah Pendidikan Matematika, Matematika dan Statistik
Publisher : LPPM Universitas Bina Bangsa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46306/lb.v3i2.152

Abstract

This research is motivated by the low mathematical problem solving ability of students. It is known based on the results of interviews that students experience difficulties when solving questions.This study aims to: 1) find out whether there are differences in the initial abilities of the experimental class and control class students at MTS Ashhabul Maimanah; 2) whether the problem solving ability of students given discovery model learning is better than the conventional model; 3) How is the effect of discovery learning model on students' mathematical problem solving abilities in class VIII. This research is an experimental quantitative research. Data collection techniques using a problem-solving ability test which amounts to five questions in the form of a description. And the data analysis technique was carried out by normality test, homogeneity test, average difference test, and effect size test. Based on the results of the study, it was found that the problem-solving ability was the average value of the experimental class 78.75 while the control class was obtained by 65 and for t_count = 3,431 > t_table = 1,685 so that was rejected and was accepted. In this study, it can be concluded that: 1) there are differences in the initial abilities of the experimental class and control class students at MTS Ashhabul Maimanah; 2) students' mathematical problem solving ability given the discovery learning model is better than the conventional learning model; 3) the effect of the use of discovery learning models on the mathematical problem solving ability of class VIII students at MTS Ashhabul Maimanah is said to be high
Co-Authors Hamidah Hamidah Maulana Yusuf Nabila Erningsilia Pratiwi Nindi Dwi Agustin Riky Wijaya Saepudin Saepudin Sahroji Sahroji Sofiatunisa Sofiatunisa Vidya Ayuningtyas