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All Journal BERKALA FISIKA Journal of Artificial Intelligence and Digital Business Research Horizon
Sari, Devi Artika
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Arts Humanities Computer Science & IT Economics, Econometrics & Finance Education Electrical & Electronics Engineering Engineering Law, Crime, Criminology & Criminal Justice Physics Social Sciences

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ANALISIS NILAI COMPUTED TOMOGRAPHY DOSE INDEX (CTDI) PHANTOM KEPALA MENGGUNAKAN CT DOSE PROFILER DENGAN VARIASI PITCH Sari, Devi Artika; Setiawati, Evi; Arifin, Zaenal
BERKALA FISIKA Vol 23, No 2 (2020): Berkala Fisika
Publisher : BERKALA FISIKA

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (283.482 KB)

Abstract

The purpose of this study was to measure the value of computed tomography dose index (CTDI) using the CT dose profiler, to compare the values of CTDI obtained in the five holes within the head of polymethil-methacrylate (PMMA) phantom, and to analyze the effect of pitch on CTDI values. The CTDI values were measured with the pitch variations of 0.562, 0.938, 1.375, and 1.750. The phantom was scanned with fixed parameters of 120 kVp, 200 mAs, 10 mm width collimation, 150 mm scan length, and 0.50 s tube rotation. Measurements were conducted at Kensaras hospital using the CT scannner of GE Optima CT580 16 slice. The results showed that if the pitch increases, the CTDI will decrease (< 25 mGy). The highest CTDI is 55,36 mGy and it is found on a pitch of 0,562 at upper hole of phantom (B position), and the lowest CTDI is 11,9 mGy and it is found a pitch of pitch 1,750 within a hole at three o’clock position (C position). If the pitch < 1, then the high CTDI is obtained (> 50 mGy) and it takes longer to scan.
Green Innovation and Competitive Pressure as Drivers of Sustainable Performance in the Fashion Industry Isdiana, Firdha Nurul; Sari, Devi Artika; Batu, Kardison Lumban
Research Horizon Vol. 5 No. 3 (2025): Research Horizon - June 2025
Publisher : LifeSciFi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54518/rh.5.3.2025.600

Abstract

The fashion industry, particularly the fast fashion segment, significantly contributes to environmental degradation through excessive resource use and waste. This study examines how competitive pressure, green product innovation, and green process innovation influence sustainable firm performance among fashion Micro, Small, and Medium Enterprises (MSMEs) in a region. Using the Natural Resource-Based View (NRBV) as a theoretical framework, the research highlights the strategic role of green innovation in building environmentally valuable, rare, inimitable, and non-substitutable (VRIN) capabilities. A quantitative method was employed, with data collected from 100 MSME actors via a structured questionnaire and analyzed using Covariance-Based Structural Equation Modeling (CB-SEM) in AMOS. The findings reveal that competitive pressure, as well as green product and process innovations, have a positive and significant effect on sustainable firm performance. Green product innovation, including eco-friendly materials and circular design, and green process innovation, such as waste-reducing technologies, are identified as crucial strategies for achieving environmental and business goals.
Peran Pelayanan Publik dalam Dukungan Psikososial dan Trauma Healing Pasca Erupsi Gunung Semeru Cahyarani, Jacienda Rafinsya; Sari, Devi Artika; Amalia, Hamida Rizky; Fananiyah, Ikmila Syafah Putri; Widowatie, Janna Listya Sita; Safitri, Amelia Dwi; Al Amin, M. Noer Falaq; Hadianto, Nuh Krama
RIGGS: Journal of Artificial Intelligence and Digital Business Vol. 5 No. 1 (2026): Februari - April
Publisher : Prodi Bisnis Digital Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/riggs.v5i1.8047

Abstract

Studi ini bertujuan untuk menganalisis bagaimana lembaga layanan publik merespons kebutuhan psikologis pasca-bencana, terutama di kalangan kelompok rentan seperti anak-anak, setelah letusan Gunung Semeru di Kabupaten Lumajang. Penelitian ini menggunakan pendekatan deskriptif kualitatif dengan analisis data sekunder yang berasal dari literatur relevan, laporan resmi, dan studi-studi sebelumnya tentang manajemen bencana dan pemulihan psikososial. Temuan penelitian mengungkapkan bahwa layanan publik memainkan peran penting tidak hanya dalam memenuhi kebutuhan dasar, seperti tempat tinggal, makanan, dan logistik, tetapi juga dalam mendukung pemulihan psikologis melalui program penyembuhan trauma yang terstruktur. Program-program ini mencakup terapi bermain, bercerita, dan intervensi berbasis komunitas, yang efektif dalam membantu anak-anak mengekspresikan emosi, mengurangi kecemasan, dan secara bertahap pulih dari pengalaman traumatis. Di daerah evakuasi, layanan psikososial lebih efektif ketika didukung oleh kolaborasi yang kuat antara lembaga pemerintah, organisasi non-pemerintah, dan relawan, yang memungkinkan penyampaian layanan yang terkoordinasi dan komprehensif. Namun, beberapa tantangan masih ada, termasuk keterbatasan ketersediaan sumber daya manusia profesional dalam layanan kesehatan mental, distribusi layanan yang tidak merata, dan kurangnya program kesehatan mental jangka panjang yang berkelanjutan bagi para penyintas. Studi ini menekankan pentingnya mengintegrasikan dukungan psikososial ke dalam kebijakan manajemen bencana dan memperkuat kapasitas lembaga layanan publik untuk memastikan proses pemulihan yang komprehensif, adaptif, dan inklusif bagi komunitas yang terdampak bencana.
Co-Authors Al Amin, M. Noer Falaq Amalia, Hamida Rizky Cahyarani, Jacienda Rafinsya Evi Setiawati Fananiyah, Ikmila Syafah Putri HADIANTO, NUH KRAMA Isdiana, Firdha Nurul Kardison Lumban Batu Safitri, Amelia Dwi Widowatie, Janna Listya Sita Zaenal Arifin