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All Journal Journal of Economic, Bussines and Accounting (COSTING) Media Mahardhika ABDIMAS SILIWANGI JURNAL LENTERA BISNIS Management Studies and Entrepreneurship Journal (MSEJ) Community Development Journal: Jurnal Pengabdian Masyarakat BERNAS: Jurnal Pengabdian Kepada Masyarakat JMK Jurnal Manajemen dan Kewirausahaan GREENOMIKA Indonesian Community Journal Indonesian Journal of Applied Accounting and Finance Journal Islamic Business and Entrepreneurship / JIBE International Journal of Economics and Management Research Nusantara Community Empowerment Review Al-Kharaj: Jurnal Ekonomi, Keuangan & Bisnis Syariah Tali Jagad Jurnal Ilmiah Manajemen EKOBIS ABDIMAS : Jurnal Pengabdian Masyarakat Jurnal Manajemen dan Bisnis Indonesia
Achmad Zaki
Universitas Nahdlatul Ulama Sidoarjo
Religion Agriculture, Biological Sciences & Forestry Arts Humanities Computer Science & IT Decision Sciences, Operations Research & Management Dentistry Economics, Econometrics & Finance Education Environmental Science Health Professions Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Library & Information Science Mathematics Neuroscience Nursing Public Health Social Sciences Veterinary Other

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Pelatihan Penggunaan Aplikasi Mendeley Untuk Mengoptimalkan Penulisan Karya Ilmiah Mahasiswa Achmad Wicaksono; Jeziano Rizkita Boyas; Achmad Zaki; Nafia Ilhama Qurratu’aini
Ekobis Abdimas Vol 4 No 1 (2023): Juni
Publisher : Fakultas Ekonomi, Universitas PGRI Adi Buana Surabaya

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

Abstract

ABSTRAK Kegiatan pengabdian ini mengangkat tema pelatihan Mendeley bagi seluruh mahasiswa di lingkungan Universitas Nahdlatul Ulama Sidoarjo. Salah satu permasalahan yang sering dihadapi oleh mahasiswa dalam menulis karya ilmiah adalah kesulitan dalam melakukan pengelolaan referensi, kutipan, dan daftar pustaka secara benar dan konsisten. Mahasiswa akan diberi pelatihan bagaimana cara menyusun kutipan dan daftar pustaka dengan memanfaatkan aplikasi Mendeley agar hasil penulisan karya ilmiah menjadi lebih baik dan bersumber dari pustaka yang benar. Metode yang dipakai dalam penyelenggaraan pelatihan ini adalah metode ceramah dan praktik. Hasil pelatihan memperlihatkan jika mayoritas peserta kegiatan merasa paham cara menyusun kutipan dan daftar pustaka melalui pemanfaatan aplikasi Mendeley. Selain itu peserta juga merasa semakin memahami bagaimana cara mencari sumber referensi pustaka yang sesuai untuk tulisan yang mereka susun. Kata kunci :Aplikasi, Mendeley, Karya Ilmiah. ABSTRACT This service activity raised the theme of Mendeley training for all students at the Nahdlatul Ulama University in Sidoarjo. One of the problems that students often face in writing scientific papers is the difficulty in managing references, citations, and bibliography correctly and consistently. Students will be given training on how to compile citations and bibliography by utilizing the Mendeley application so that the results of writing scientific papers are better and sourced from the correct literature. The method used in organizing this training is the lecture and practice method. The results of the training show that the majority of activity participants feel they understand how to compile citations and bibliography through the use of the Mendeley application. In addition, the participants also felt that they understood more about how to find appropriate reference sources for the writing they were compiling. Keywords : Application, Mendeley, Scientific Work.
PENGARUH VARIASI MENU DAN HARGA TERHADAP LOYALITAS PELANGGAN GEN’Z MIE GACOAN DI SIDOARJO DENGAN KEPUTUSAN PEMBELIAN SEBAGAI VARIABEL MEDIASI Briliantine Caesar Eka Wantoro; Ayu Lucy Larassaty; Achmad Zaki; Afifatus Sholikhah
JURNAL LENTERA BISNIS Vol. 14 No. 2 (2025): JURNAL LENTERA BISNIS, MEI 2025
Publisher : POLITEKNIK LP3I JAKARTA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34127/jrlab.v14i2.1427

Abstract

This study uses purchasing decisions as a mediator to test how price and menu variety affect Generation Z loyalty at Mie Gacoan Sidoarjo. Quantitative methods and explanatory analysis were used to collect data from 170 respondents through questionnaires.  PLS-SEM analysis revealed that although menu changes have a large impact on the decision to purchase, they do not directly increase consumer loyalty.  Meanwhile, price has a great influence on loyalty and purchase decisions.  The results of this study emphasize how important menu innovation and aggressive pricing tactics are to increase consumer loyalty through wise purchases. 
PENGARUH LIVE STREAMING, FLASH SALE, DAN DOUBLE DAYS PROMOTION TERHADAP IMPULSIVE BUYING PADA PENGGUNA TIKTOK SHOP Muslikha Irbah Zakiyah; M. Mustaqim; Achmad Zaki; Cynthia Eka Violita
JURNAL LENTERA BISNIS Vol. 14 No. 2 (2025): JURNAL LENTERA BISNIS, MEI 2025
Publisher : POLITEKNIK LP3I JAKARTA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34127/jrlab.v14i2.1450

Abstract

Digital technology advancements have significantly changed the e-commerce industry, particularly with the advent of interactive services like live streaming on TikTok. This studys aims to determine whether live streaming, flash sales, and double days promotions have a direct effect on consumer impulse purchases at TikTok Shop. This study employs a quantitative methodology. A total of 180 respondents who are active TikTok Shop users in Sidoarjo have filled out a questionnaire to provide data, which was then analyzed using SPSS. In this study, it was found that Live Streaming variable has no influence on Impulsive Buying. This is because live streaming is not strong enough to drive impulse purchases without attractive promotions. On the other hand, the Double Days Promotion and Flash Sale variables have a positive and significant effect on Impulsive Buying. This proves that flash sales and urgency-based promotional tactics can stimulate impulse purchases. These results provide insight for marketers to optimize promotional strategies on TikTok Shop to increase sales conversions.
Pengaruh Literasi Keuangan, Gaya Hidup, dan Pengguna E-Wallet Terhadap Perilaku Konsumtif Mahasiswa Penerima Beasiswa Pemerintah di Sidoarjo Nur Fadilah; M. Mustaqim; Achmad Zaki; Devika Cherly Putrihadiningrum
Al-Kharaj: Jurnal Ekonomi, Keuangan & Bisnis Syariah Vol. 7 No. 6 (2025): Al-Kharaj: Jurnal Ekonomi, Keuangan & Bisnis Syariah
Publisher : Intitut Agama Islam Nasional Laa Roiba Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47467/alkharaj.v7i6.7632

Abstract

This study aims to determine the effect of financial literacy, lifestyle, and e-wallet users on consumer behavior in government scholarship recipients in Sidoarjo. The background of this study is based on the increasing use of e-wallets and consumer lifestyle trends among students including scholarship recipients. This study uses a quantitative method with multiple regression analysis. The population in this study were 100 Sidoarjo government scholarship recipients who were used as respondents using the random sampling method. Data were analyzed using SPSS version 25. The results showed that financial literacy did not have a significant effect on student consumer behavior. However lifestyle has a positive effect on consumer behavior meaning that the higher a person's lifestyle the higher the consumption. E-wallet users also have a positive effect on consumer behavior indicating that the ease of digital transactions can improve student consumption patterns. Simultaneously, these three variables affect the consumer behavior of scholarship recipients. These results provide insight for the government and educational institutions in designing student financial management policies.
Following the Flock or Fearing the Fall? Deciphering the Behavioral Drivers of KSPM UNUSIDA Investment Decisions. Achmad Zaki; Yusuf Iskandar
GREENOMIKA Vol. 8 No. 1 (2026): GREENOMIKA
Publisher : Universitas Nahdlatul Ulama Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55732/unu.gnk.2026.08.1.1

Abstract

This research examines the influence of psychological biases specifically confirmation bias, herd behavior, and regret aversion on investment decision-making among young investors at the Investment Gallery of Universitas Nahdlatul Ulama Sidoarjo (UNUSIDA). Adopting a causal quantitative approach, the study utilized a census technique to involve 32 KSPM members as respondents. Primary data were collected via structured questionnaires and analyzed through multiple linear regression, including partial (t-test) significance tests. The findings demonstrate that both partially three variables significantly and positively influence investment decisions. Notably, regret aversion emerged as the most dominant factor affecting the respondents' investment behavior. This suggests that the psychological burden of post-decision regret outweighs the impact of biased information or peer pressure. These results emphasize that capital market education in higher education must be reoriented to integrate financial psychology literacy to mitigate behavioral anomalies. This study contributes to the field of behavioral finance by deconstructing the psychological dynamics of Generation Z in the capital market within a specific industrial-suburban context.
Pengaruh Kebijakan Dividen dan Nilai Perusahaan terhadap Harga Saham pada Perusahaan Indeks LQ45 Periode 2019-2024 Amita Fatmasari Dewi; Cynthia Eka Violita; Achmad Zaki; Devika Eka Cherly
Indonesian Journal of Applied Accounting and Finance Vol. 6 No. 1 (2026): June
Publisher : P3M Politeknik Negeri Banjarmasin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31961/ijaaf.v6i1.15709

Abstract

This paper examines how dividend policy and corporate worth affected the stock prices of LQ45-listed firms between 2019 and 2024. The Dividend Payout Ratio (DPR) serves as the metric for dividend policy, while the Price to Book Value (PBV) ratio represents firm value. This quantitative study applies panel data regression, utilizing Chow, Hausman, and Lagrange multiplier tests to determine the most fitting econometric model. Individual variable significance is assessed via $t$-tests to isolate partial effects on stock prices. The findings indicate that while the DPR has a negligible effect on stock prices, PBV plays a much more prominent role. Consequently, investors appear to favor overall firm value over dividend payouts during decision-making. However, a low yet statistically significant coefficient of determination highlights that external, unmodeled factors heavily influence stock prices. The study concludes that firm value is vital to stock price dynamics and advises future researchers to incorporate macroeconomic indicators to boost the model's predictive strength.
PENGARUH LIKUIDITAS DAN PROFITABILITAS TERHADAP NILAI PERUSAHAAN PADA SEKTOR TRANSPORTASI DAN LOGISTIK YANG TERDAFTAR DI BURSA EFEK INDONESIA (BEI) Alfia Nikmah Safira; M. Mustaqim; Achmad Zaki; Cynthia Eka Violita
Journal of Economic, Bussines and Accounting (COSTING) Vol. 9 No. 3 (2026): Journal of Economic, Bussines and Accounting (COSTING)
Publisher : Institut Penelitian Matematika, Komputer, Keperawatan, Pendidikan dan Ekonomi (IPM2KPE)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31539/ed2ywy81

Abstract

Penelitian ini bertujuan menganalisis pengaruh likuiditas dan profitabilitas terhadap nilai perusahaan pada perusahaan sektor transportasi dan logistik yang terdaftar di Bursa Efek Indonesia (BEI) periode 2021–2024. Likuiditas diukur menggunakan Quick Ratio (QR), profitabilitas diukur menggunakan Return on Equity (ROE), sedangkan nilai perusahaan diukur menggunakan Price to Book Value (PBV). Penelitian ini menggunakan metode kuantitatif dengan pendekatan asosiatif kausal. Data yang digunakan berupa data sekunder yang diperoleh dari laporan keuangan tahunan perusahaan. Teknik pengambilan sampel menggunakan purposive sampling sehingga diperoleh 19 perusahaan dengan total 76 data observasi. Analisis data dilakukan menggunakan regresi data panel dengan bantuan Eviews 12 dan model terbaik yang terpilih adalah Common Effect Model (CEM). Hasil penelitian menunjukkan bahwa secara parsial Quick Ratio (QR) berpengaruh positif dan signifikan terhadap Price to Book Value (PBV) dan Return on Equity (ROE) berpengaruh positif dan signifikan terhadap Price to Book Value (PBV). Secara simultan, Quick Ratio (QR) dan Return on Equity (ROE) juga berpengaruh signifikan terhadap Price to Book Value (PBV). Temuan ini menunjukkan bahwa pengelolaan likuiditas dan profitabilitas yang baik dapat meningkatkan kepercayaan investor serta nilai perusahaan.
Analisis Pengelolaan Keuangan Generasi Z Berdasarkan Theory Of Planned Behavior (TPB) Putri Setya Romadhoni; Achmad Zaki; M. Mustaqim; Devika Cherly Putrihadiningrum
Jurnal Manajemen dan Bisnis Indonesia Vol. 1 No. 4 (2026): Edisi: Juli-September
Publisher : Pustaka Bangsa Indonesia

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Abstract

Penelitian ini bertujuan menganalisis perilaku pengelolaan keuangan mahasiswa Generasi Z yang menjalankan usaha mikro dengan mengkaji aspek sikap, norma subjektif, dan perceived behavioral control melalui kerangka Theory of Planned Behavior (TPB) yang didukung oleh Social Cognitive Theory (SCT). Penelitian ini menggunakan pendekatan kualitatif dengan desain studi kasus terhadap tiga mahasiswa S-1 Generasi Z yang menjalankan usaha mikro di Kabupaten Sidoarjo. Data dikumpulkan melalui observasi partisipatif pasif, wawancara semi-terstruktur, dan dokumentasi, kemudian dianalisis menggunakan model interaktif Miles dan Huberman dengan uji keabsahan data melalui triangulasi. Hasil penelitian menunjukkan bahwa informan memiliki perilaku pengelolaan keuangan yang adaptif, meskipun masih terdapat kendala dalam pencatatan keuangan dan kedisiplinan anggaran. Sikap positif serta dukungan keluarga berperan dalam pengambilan keputusan keuangan, sedangkan pengaruh teman sebaya relatif terbatas. SCT memperkuat pemahaman mengenai pembentukan efikasi diri keuangan melalui proses pembelajaran sosial.
Manajemen Sumber Daya dan Proses dalam Penataan Nomor Rumah untuk Penguatan Administrasi dan Pelayanan Publik Mir’a Tia Musfiro; Achmad Zaki; Abdulloh Rizqi
Nusantara Community Empowerment Review Vol. 4 No. 1 (2026): Nusantara Community Empowerment Review
Publisher : LPPM UNUSIDA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55732/dhkkzh29

Abstract

Program pengabdian masyarakat tahun 2025 di Desa Wadungasih RT 06 RW 02, Kecamatan Buduran, Kabupaten Sidoarjo difokuskan pada penataan nomor rumah sebagai upaya menciptakan keteraturan administrasi, mempermudah identifikasi alamat, serta mendukung kelancaran pelayanan publik. Metode pelaksanaan meliputi observasi lapangan, wawancara dengan perangkat desa, perencanaan desain plakat, pengadaan material, pembuatan, hingga pemasangan plakat nomor rumah. Hasil kegiatan menunjukkan adanya peningkatan keteraturan alamat serta kemudahan bagi masyarakat dan pihak eksternal, seperti kurir, aparat desa, dan petugas kesehatan, dalam menemukan lokasi tujuan. Selain itu, keterlibatan aktif masyarakat dalam seluruh tahapan kegiatan menegaskan pentingnya kolaborasi antara warga dan perangkat desa dalam menyelesaikan permasalahan lokal, sehingga program ini tidak hanya memberikan manfaat praktis, tetapi juga menjadi model inspiratif yang dapat direplikasi di wilayah lain. The 2025 community service program in Wadungasih Village, RT 06 RW 02, Buduran District, Sidoarjo Regency, focused on the arrangement of house numbers as an effort to create administrative order, facilitate address identification, and support the smooth running of public services. The implementation method included field observations, interviews with village officials, plaque design planning, material procurement, production, and installation of house number plaques. The results of the activity showed an increase in address order and ease for the community and external parties, such as couriers, village officials, and health workers, in finding their destinations. In addition, the active involvement of the community in all stages of the activity emphasized the importance of collaboration between residents and village officials in solving local problems, so that this program not only provides practical benefits but also becomes an inspiring model that can be replicated in other areas.
Antara Ego dan Bukti Sosial: Perspektif Keuangan Keperilakuan pada Keputusan Investasi di Galeri Investasi UNUSIDA: Between Ego and Social Proof: A Behavioral Finance Perspective on Investment Decisions at the UNUSIDA Investment Gallery achmad zaki
TALI JAGAD JOURNAL Vol. 4 No. 1 (2026): TALIJAGAD
Publisher : Universitas Nahdlatul Ulama Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55732/

Abstract

This study aims to empirically examine the influence of psychological biases specifically overconfidence, confirmation bias, and herd behavior on investment decision-making among young investors. The research focuses on students affiliated with the Capital Market Study Group (KSPM) at the Investment Gallery of Universitas Nahdlatul Ulama Sidoarjo (UNUSIDA). A causal quantitative approach was employed, with the population consisting of all KSPM members. Using a census (total sampling) technique, a sample of 32 students actively trading in the capital market was selected. Data were collected through structured questionnaires using Likert scales, which underwent rigorous validity and reliability testing. The data were subsequently analyzed using multiple linear regression analysis via statistical software. The results indicate that all three variables were found to have a positive and significant impact on investment decisions. A key finding reveals that herd behavior is the most dominant factor in dictating student investment behavior, followed by overconfidence and confirmation bias. This suggests that despite possessing adequate theoretical financial literacy through KSPM, social pressure and excessive self-belief remains the primary drivers in investment execution. The implications of this research suggest the necessity of integrating an investment psychology curriculum within Investment Galleries to mitigate the impact of cognitive biases and foster more rational and resilient young investors.
Co-Authors Abdulloh Rizqi Achmad Wicaksono Afifatus Sholikhah Alfia Nikmah Safira Amita Fatmasari Dewi Ayu Lucy Larassaty Bella Cornelia Tjiptady Briliantine Caesar Eka Wantoro Cynthia Eka Violita Devika Cherly Putrihadiningrum Devika Eka Cherly Doni Teguh Wibowo Eriza Izza Sofiyanti Faris Eka Wahyudi Fiolita Nidiana Inayah Nuzulil Rahma iskandar, Yusuf Jeziano Rizkita Boyas Lily Oktavia Lutfiyatul Izzah M. Mustaqim Mir’a Tia Musfiro Moch. Abdul Ghofar Muslikha Irbah Zakiyah Nafia Ilhama Qurratu’aini Nur Fadilah Putri Setya Romadhoni Ridha Nabila Risalatul Mu'allafah Sinollah Suryaman Taqwanur Yusuf Iskandar Yusuf Iskandar