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All Journal INTEKNA Maslahah: Jurnal Manajemen dan Ekonomi Syariah Science Get Journal
M. Wahyudi
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Religion Biochemistry, Genetics & Molecular Biology Chemistry Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Electrical & Electronics Engineering Mathematics Physics Other

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ANALISA KETERSEDIAAN AIR DAERAH ALIRAN SUNGAI BARITO HULU DENGAN MENGGUNAKAN DEBIT HASIL PERHITUNGAN METODE NRECA Salmani .; Fakhrur Razi; M. Wahyudi
INTEKNA informasi teknik dan niaga Vol 13 No 2 (2013)
Publisher : P3M Politeknik Negeri Banjarmasin

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Abstract

Kabupaten Murung Raya adalah salah satu kabupaten di Provinsi Kalimantan Tengah yang berada di pedalaman pulau kalimantan dan terletak di daerah khatulistiwa dengan ibukota Kabupaten di Kota Puruk Cahu. Sungai barito hulu merupakan induk dari be-berapa anak sungai yang ada di wilayah kabupaten murung raya yaitu : Sungai Laung, Sungai Babuat, Sungai Joloi, Sungai Busang. Debit Sungai Barito Hulu pada saat ini di-pergunakan untuk memenuhi berbagai macam sektor kebutuhan air disekitar Daerah Aliran Sungai (DAS) Barito Hulu yaitu di Puruk Cahu Kabupaten Murung Raya. Ketersediaan air dihitung dengan Metode Debit Andalan. Data yang diperlukan untuk analisa ketersediaan air adalah data debit sungai bulanan atau harian dengan periode waktu lebih besar dari 10 tahun, dimana data ini tidak ada sehingga debit bulanan di-simulasikan berdasarkan data hujan dan data evapotranspirasi potensial pada daerah penelitian dengan bantuan model matematik hubungan hujan-limpasan. Model hubungan hujan-debit dengan interval bulanan yang digunakan adalah NRECA. Dari Metoda Ke-tersediaan Air/Debit andalan DAS Barito Hulu menggunakan debit hasil perhitungan Me-tode Nreca menunjukan bahwa debit andalan 80% didapat rata-rata per bulan 349,853 m3/detik, dan 85% didapat rata-rata per bulan 261,675 m3/detik. Ketersediaan Air/Debit Andalan 90% didapat rata-rata per bulan 167,094 m3/detik. Ketersediaan air  95% di-dapat rata-rata per bulan 97.384 m3/detik, dan 99% didapat rata-rata per bulan 69,170 m3/detik.
Pengaruh Harga terhadap Keputusan Pembelian Konsumen pada Sagalas Coffee Panyabungan II Kabupaten Mandailing Natal M. Wahyudi; Muhlisah Lubis; Rizka Ar Rahmah
Maslahah : Jurnal Manajemen dan Ekonomi Syariah Vol. 2 No. 4 (2024): Oktober : Maslahah : Jurnal Manajemen dan Ekonomi Syariah
Publisher : STAI YPIQ BAUBAU, SULAWESI TENGGARA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59059/maslahah.v2i4.1677

Abstract

This research aims to determine the effect of price on consumer purchasing decisions at Sagalas Coffee Panyabungan II, Mandailing Natal Regency. The type of research used was quantitative research and involved a sample of 96 respondents using the Lemeshow formula. Data collection techniques are observation, documentation and distributing questionnaires. Data analysis techniques use validity tests, reliability tests, normality tests, heteroscedasticity tests, simple linear regression analysis tests and hypothesis tests. All research tests were carried out using the SPSS version 25 program. Price has a partial positive effect on consumer purchasing decisions at Sagalas Coffee Panyabungan II, Mandailing Natal Regency, indicated by an R value of 0.940 which is in the correlation interval 0.80 - 1.00 and an R value The square is 0.884 times 100% = 88.4% and the remaining 11.6% is influenced by other variables. In other words, there are still other variables that influence the consumer purchasing decision variable (Y) at Sagalas Coffee Panyabungan II. Based on the research results, it can be concluded that price has a positive and significant effect on consumer purchasing decisions, with a partial test value (t) of 26.789 and a ttable value of 1.661. So the tcount value is greater than ttable, namely 26.789, greater than 1.661 (26.789 > 1.661), which indicates that the first hypothesis, namely Ha, is accepted while H0 is rejected.
Factor Analysis of Learning Difficulties in Independent Curriculum Science Learning in State Elementary Schools Cynthia Azahra; M. Wahyudi
Science Journal Get Press Vol 1 No 1 (2024): April, 2024
Publisher : CV. Get Press Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.69855/science.v1i1.24

Abstract

Education is an important part of a nation's development. The Indonesian government has put improving education quality as a top priority. This is seen in the introduction of the Merdeka Curriculum in 2013, which aims to give schools more freedom to structure their curriculum according to students' characteristics and needs. Students can choose the lessons they want, improve the quality of education, and create human resources that excel in education (Kemdikbud, 2022). Previous studies have demonstrated that a variety of factors, such as ineffective teaching strategies, teachers' conceptual ignorance, student learning style variations, and contextual factors at home and at school, can contribute to learning difficulties in science. The writers of this study employed a qualitative methodology. A technique whose focus is to gather diverse data regarding current occurrences by comprehending the phenomenon under investigation is known as a qualitative approach. According to three indications of learning difficulties—social, perception, and memory—the results demonstrate that children following the independent learning curriculum have learning challenges. This can have an effect on students' ability to respond to inquiries from teachers, their academic performance, and their drive and self-assurance in the classroom. The inability of students to recall material suggests that more efficient teaching methods must be developed. Approaches that focus on repetition, memory reinforcement and reducing distractions during study time can help improve students' ability to remember and understand subject matter. In this case, the role of the teacher and a supportive learning environment is crucial to help students overcome their learning difficulties
Co-Authors Cynthia Azahra fakhrur razi Muhlisah Lubis Rizka Ar Rahmah Salmani .