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All Journal JURNAL TEKNIK Kegiatan Positif : Jurnal Hasil Karya Pengabdian Masyarakat International Journal of Research in Education (IJRE)
Dedy Alamsyah
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Aerospace Engineering Agriculture, Biological Sciences & Forestry Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Education Electrical & Electronics Engineering Energy Engineering Health Professions Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Social Sciences Other

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PENGEMBANGAN PURWARUPA SISTEM PROTEKSI HYBRID KEASLIAN FAKTUR ELEKTRONIK (E-INVOICE) PADA E-BISNIS MENGGUNAKAN QR CODE, STEGANOGRAFI DAN KRIPTOGRAFI Dedy Alamsyah
Jurnal Teknik Vol 5, No 2 (2016): Juli-Desember 2016
Publisher : Universitas Muhammadiyah Tangerang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31000/jt.v5i2.351

Abstract

Faktur elektronik merupakan transformasi bentuk faktur konvensional berbasis kertas (hardcopy) menjadi faktur berbentuk digital (e-invoice) yang diterbitkan ketika terjadi transaksi   bisnis.   Faktur   elektronik   (e-invoice)   berisi   informasi-informasi   yang berkaitan dengan transaksi bisnis antara penjual dan pelanggan. Faktur elektronik didistribusikan melalui email dan harus dapat dipastikan diterima pelanggan dan mampu  diverifikasi  keasliannya  apabila  terindikasi  terjadi  perubahan  data  dan informasi oleh pihak yang tidak berkepentingan. Pada penelitian ini sistem proteksi yang  digunakan  untuk  melakukan  proteksi  terhadap  faktur  elektronik  berbasis Portable Document Format (PDF) adalah metode hybrid yaitu penggabungan QR- Code, Steganografi dan Kriptografi sehingga faktur elektronik berbasis Portable Document Format yang dikirim ke pelanggan menjadi lebih aman. Sistem aplikasi yang dibuat berbasis web dan online lewat internet memungkinkan pelanggan melakukan verifikasi sehingga memberikan kepercayaan antara kedua belah pihak. Kata  Kunci:  PDF  protection,  Hybrid  Protection,  Protection  E-invoices, Steganography EOF, AES Encryption, Secure QR Code.
Strategi Pemasaran Online dan Pencegahan Penipuan Eradigitalisai Dyas Yudi Priyanggodo; Endaria Endaria; Dedy Alamsyah
Kegiatan Positif : Jurnal Hasil Karya Pengabdian Masyarakat Vol. 1 No. 3 (2023): September : Kegiatan Positif : Jurnal Hasil Karya Pengabdian Masyarakat
Publisher : Asosiasi Riset Ilmu Manajemen Kewirausahaan dan Bisnis Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/kegiatanpositif.v1i3.316

Abstract

Online marketing, also known as digital marketing, involves promoting products or services through digital mediums such as the Internet, mobile devices, and social platforms. It involves using different strategies to achieve business goals, such as increasing brand awareness, generating leads or customers, increasing sales, and building relationships. customer system. Phishing is a technique in which scammers attempt to trick victims into providing personal information such as passwords, credit card numbers, or other financial information by pretending to be a trustworthy organization through fake email or fake website.
Enhancing EFL Listening Through Structured Autonomous Use of British Council Learn English Audio Materials Yeni Daniarti; Muhammad Arie Firmansyah; Dedy Alamsyah
International Journal of Research in Education Vol. 6 No. 1 (2026): Issued in January 2026
Publisher : LPPM Universitas PGRI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26877/ijre.v6i1.3274

Abstract

Listening proficiency often lags behind other English skills for EFL university students, particularly in engineering programs where limited class hours restrict systematic practice. While previous studies have highlighted the benefits of podcasts and online audio resources for developing listening skills, most of these studies have relied on short-term, teacher-led classroom interventions and have rarely structured learners’ autonomous engagement with a specific platform. This study aimed the effect of independent engagement with the British Council LearnEnglish audio series on the listening proficiency of autonomous EFL learners in an informatics engineering program. Furthermore, there is limited quasi-experimental evidence on the impact of guided independent listening programs using the British Council LearnEnglish audio series on university students' listening proficiency, especially in Indonesian higher education contexts. The experimental group (n = 15) received eight weeks of independent listening alongside regular instruction, while the control group (n = 15) received only regular instruction. A 40-item standardized listening test was administered pre- and post-test, and gain scores were analyzed using an independent samples t-test. The results revealed substantially greater proficiency gains for the experimental group, demonstrating the intervention's superior efficacy over conventional approaches. These results suggest that a structured, autonomous listening program using the British Council's LearnEnglish series can significantly improve listening proficiency in engineering-based English as a foreign language (EFL) programs with limited classroom time. Therefore, future research should examine long-term retention and cross-disciplinary scalability.
Co-Authors Daniarti, Yeni Dyas Yudi Priyanggodo Endaria Endaria Muhammad Arie Firmansyah