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All Journal Jurnal Teknik Sipil Biotropika Jurnal Pengabdian kepada Masyarakat Nusantara Batara Wisnu : Indonesian Journal of Community Services Yudishtira Journal : Indonesian Journal of Finance and Strategy Inside
Rismawati, Ria
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Civil Engineering, Building, Construction & Architecture Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Immunology & microbiology Social Sciences

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EDUKASI PEMILAHAN SAMPAH ORGANIK DAN ANORGANIK PADA ANAK-ANAK KB-RA MASJID JENDERAL SUDIRMAN SURABAYA Rosalina, Amanda; Sholihah, Mar’atus; Sari, Nur Fajar Aprilia; Gastriani, Ovi Prina; Rismawati, Ria; Fajardini, Ridhani Anita
Batara Wisnu : Indonesian Journal of Community Services Vol. 5 No. 1 (2025): Batara Wisnu | Januari - April 2025
Publisher : Gapenas Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53363/bw.v5i1.351

Abstract

Efforts to conserve the environment must begin with small, tangible actions in one's immediate surroundings. Waste management is particularly critical, as every human activity has the potential to generate waste. Therefore, it is crucial to educate young children about the environmental impacts of waste to cultivate their awareness and concern for their environment. This community service initiative aims to enhance early childhood awareness of waste management's importance at KB-RA Masjid Jenderal Sudirman Surabaya through a comprehensive waste sorting program for organic and inorganic materials. The methodology employs a participatory approach, actively engaging children in learning activities. Evaluation involves conducting pre-tests and post-tests, which include giving children different kinds of organic and inorganic waste samples and assessing them to sort the waste into appropriate bins. Data is processed and analyzed using the paired sample T-test approach with Minitab software. The study's results indicate a significant increase in knowledge following educational sessions and assistance in sorting organic and inorganic waste. It is anticipated that this positive behavior will extend to their homes and communities, making waste sorting a concrete step towards mitigating environmental issues caused by waste
PENGARUH PILIHAN AUDITOR EKSTERNAL TERHADAP KUALITAS LAPORAN KEUANGAN PADA PERUSAHAAN PERBANKAN YANG TERDAFTAR DI BURSA EFEK INDONESIA Gastriani, Ovi Prina; Sholihah, Mar'atus; Rosalina, Amanda; Sari, Nur Fajar Aprilia; Rismawati, Ria; Fajardini, Ridhani Anita
Yudishtira Journal : Indonesian Journal of Finance and Strategy Inside Vol. 4 No. 3 (2024): Yudishtira Journal : Indonesian Journal of Finance and Strategy Inside
Publisher : Gapenas Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53363/yud.v4i3.119

Abstract

This study aims to determine the effect of auditor choice, in this case Big-4 and Non-Big-4 Affiliated Auditors, on the Financial Reporting Quality in Banking Companies listed on the Indonesia Stock Exchange. The dependent variable in this study is Financial Reporting Quality with the proxy of Discretionary Accruals which are estimated using the Cross-Sectional Modified Jones Model. Meanwhile, the Independent Variable uses Big-4 or Non-Big-4 Auditor Choices. Hypothesis testing was carried out using Multiple Linear Regression analysis in 43 banking companies for 6 (six) years, namely 2016 – 2021. The test results show that the auditor choice has a negative effect on discretionary accruals. Thus, the auditor choice has an influence on the quality of financial statements.
Antibacterial Activity of Pluchea indica Leaf Extract was Increased After Being Fermented with Saccharomyces cerevisiae and Added with its Cell-Free Supernatant Rismawati, Ria; Jatmiko, Yoga Dwi; Widyarti, Sri
Biotropika: Journal of Tropical Biology Vol. 10 No. 2 (2022)
Publisher : Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.biotropika.2022.010.02.04

Abstract

Multi Drug Resistance (MDR) is a global health problem that endangers public health and can lead to death. Therefore, novel antibacterial agents are required derived from medicinal plants, one of them is beluntas (Pluchea indica) which has high potential as an antibacterial. Fermentation or addition of cell-free supernatant of Saccharomyces cerevisiae is thought to increase the antibacterial content of an herb. This study aimed to evaluate the effect of fermentation and the addition of Cell-Free Supernatant (CFS) of S. cerevisiae to enhance antibacterial activity of P. indica leaf extract. Fresh and dried leaves of beluntas were used in this study. The dried leaves in the form of powder was boiled at 100oC for 45 minutes. Fresh leaves were homogenized by blending. The extract of P. indica was used for fermentation and addition of CFS of S. cerevisiae. CFS as much as 60 mL dan fermentation with cell density of 7.53x105 CFU/mL with 100 mL of P. indica leaf extract were centrifuged at 10,000 rpm for 20 minutes. The antibacterial test method used was the Kirby-Bauer method against Escherichia coli and Staphylococcus aureus. The results showed an increase in antibacterial activity as indicated by the increasing diameter of the inhibition zone either by fermentation or addition of CFS with inhibition zone diameter was 3.85 – 4.81 mm against E. coli and 4.63 – 5.12 mm against S. aureus. The fermented P. indica and addition of CFS was shown to be potentially developed as antibacterial agents. Keywords: Antibacterial, CFS, fermentation, Pluchea indica, Saccharomyces cerevisiae
Implementasi Pengomposan secara Aerobik sebagai Solusi Pengelolaan Sampah Organik di RT 012 RW 008 Perumahan Sutorejo Indah Surabaya Rosalina, Amanda; Rismawati, Ria; Sholihah, Mar’atus; Aprilia Sari, Nur Fajar; Gastriani, Ovi Prina; Fajardini, Ridhani Anita
Jurnal Pengabdian kepada Masyarakat Nusantara Vol. 6 No. 4 (2025): Edisi Oktober - Desember
Publisher : Lembaga Dongan Dosen

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Sampah rumah tangga, terutama sisa makanan dan tumbuhan, menjadi salah satu penyumbang utama pencemaran lingkungan akibat kurangnya pemahaman masyarakat dalam pengelolaannya. Kegiatan pengabdian masyarakat ini bertujuan meningkatkan pengetahuan warga tentang pengelolaan sampah organik melalui pembuatan kompos secara aerobik dari limbah rumah tangga. Metode yang digunakan meliputi sosialisasi, demonstrasi pembuatan kompos, dan pengamatan proses pengomposan selama 40 hari. Penelitian ini menerapkan desain quasi-eksperimental dengan pendekatan one group pre-test dan post-test, dan data dianalisis menggunakan uji t berpasangan (paired sample T-test) dengan software Minitab untuk mengukur perubahan tingkat pemahaman. Hasil menunjukkan adanya peningkatan signifikan antara nilai pre-test dan post-test, yang menandakan kegiatan ini berhasil meningkatkan pengetahuan masyarakat dalam mengolah sampah organik menjadi kompos serta mendorong perilaku ramah lingkungan di tingkat rumah tangga.
Compressive Strength and Water Absorption Analysis of Perforated Paving Blocks Incorporating Waste Candlenut Shell Ash Aprilia Sari, Nur Fajar; Cahyono, Luqman; Rismawati, Ria; Sholihah, Mar'atus
Jurnal Teknik Sipil Vol 26, No 1 (2026): Jurnal Teknik Sipil Universitas Tanjungpura
Publisher : Fakultas Teknik Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/jts.v26i1.104139

Abstract

The extensive use of candlenut shells as boiler fuel generates substantial ash residues that pose environmental challenges if inadequately managed. Concurrently, conventional paving blocks exhibit limited permeability, thereby increasing urban surface runoff. This study evaluates the feasibility of incorporating candlenut shell ash as a partial replacement for fine aggregate in perforated paving blocks. Distinct from prior studies that focus on ash application in dense concrete systems, this research emphasizes permeability-oriented pavement performance alongside material valorization. Chemical composition was determined using X-ray Fluorescence analysis, while mechanical and durability-related properties, including compressive strength and water absorption, were assessed in accordance with SNI 03-0691-1996. The ash contained 80.04% CaO, suggesting potential pozzolanic activity. Experimental results indicate that a 1:4 mix proportion provides optimal performance, achieving a compressive strength of 20.60 MPa that satisfies Quality B requirements and a water absorption of 9%, meeting Quality C criteria. These findings demonstrate the technical viability of candlenut shell ash for permeable paving applications and support its integration into sustainable urban drainage and circular material management systems.
Co-Authors Aprilia Sari, Nur Fajar Cahyono, Luqman Fajardini, Ridhani Anita Gastriani, Ovi Prina Ridhani Anita Fajardini Rosalina, Amanda Sari, Nur Fajar Aprilia Sholihah, Mar'atus Sholihah, Mar’atus Sri Widyarti YOGA DWI JATMIKO