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All Journal JSI: Jurnal Sistem Informasi (E-Journal) Journal of Economic, Bussines and Accounting (COSTING) International Journal of Multidisciplinary Research and Literature (IJOMRAL) INTEGRATIVE: Journal of Economics, Management, Business and Accounting Preferensi : Journal of Marketing and Business
Irfan Widyanto
Universitas Graha Karya Muara Bulian
Humanities Civil Engineering, Building, Construction & Architecture Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Engineering Environmental Science Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Mathematics Physics Social Sciences Other

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THE EFFECT OF SERVICE QUALITY, PRICE, AND LOCATION ON CUSTOMER SATISFACTION AT ALIB CAR WASH IN MUARA BULIAN Ahmad Fithoni; Irfan Widyanto; Doni Prasetya
International Journal of Multidisciplinary Research and Literature Vol. 2 No. 3 (2023): INTERNATIONAL JOURNAL OF MULTIDISCIPLINARY RESEARCH AND LITERATURE
Publisher : Yayasan Education and Social Center

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (326.851 KB) | DOI: 10.53067/ijomral.v2i3.126

Abstract

Customer satisfaction is the level of satisfaction or satisfaction felt by customers after they use a company's product or service. It reflects a customer's subjective evaluation of their experience and the degree to which their expectations were met. Customer satisfaction has a significant impact on business success. Therefore, companies often try to increase customer satisfaction by understanding and meeting their needs and expectations, improving product or service quality, providing good customer support, and maintaining effective communication with customers. The purpose of this study was to explain the effect of service quality, price and location on customer satisfaction at the Alibdi Muara Bulian Car Wash. The analytical method used is a quantitative method using multiple linear regression analysis. The results of this study resulted in the results of testing the hypothesis on the effect of the price variable on customer satisfaction that the value of Tcount (5,993) > Ttable (1.986) based on the comparison of Tcount and Ttable face H2 accepted means the price (X2) has a significant effect on customer satisfaction (Y). The results of testing the hypothesis on the influence of service quality, price, and location variables on customer satisfaction show that the value of f is obtained by a ftable value of 2.71 while the value of fcount is 91.267 and the significance value is > 0.05, so H4 being accepted means that it is proven that there is a joint and significant influence of service quality, price, and location on customer satisfaction. R2 determination test shows that the combination of service quality, price, and location variables together contributes 74.4% to customer satisfaction while the remaining 25.6% is the contribution of other variables not examined in this study
ANALISIS DINAMIKA PASAR DAN STRATEGI PENGENDALIAN PERSEDIAAN KOMODITAS STRATEGIS PADA SEKTOR MANAJEMEN BISNIS Irfan Widyanto; Muhammad Furqan Hakim; Sahril Saputra
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/x7xwqv28

Abstract

Ketidakseimbangan antara volume pasokan musiman dan permintaan konsumen menciptakan volatilitas pasar yang signifikan pada komoditas pangan dan industri. Penelitian ini bertujuan untuk menyajikan sintesis data historis mengenai pola fluktuasi harga dan efisiensi operasional persediaan berdasarkan literatur terdahulu. Metode penelitian menggunakan tinjauan data sekunder yang mencakup peramalan tren linier, regresi linear berganda, dan model Material Requirement Planning (MRP). Hasil data menunjukkan bahwa volatilitas harga di pasar induk dengan standar deviasi 18302,01 jauh lebih tinggi dibandingkan sentra produksi sebesar 15165,64. Struktur biaya produk menunjukkan bahwa efisiensi dapat ditingkatkan dengan mereduksi biaya transaksi sebesar 5% dan biaya penyusutan sebesar 2%. Kesimpulan dari data ini menekankan pentingnya integrasi algoritma Economic Order Quantity (EOQ) dan model peramalan prediktif untuk menjaga stabilitas margin keuntungan di tengah dinamika ekonomi yang terus berubah. Keywords : Fluktuasi Harga, Sektor FMCG, Economic Order Quantity, Rantai Pasok.
Development of an Integrated Web Portal for Universities, Faculties, and Study Programs Muhammad Hakim; Anggi Andika Pratama; Arga Chon Feriandref; Othman Ballan; Riman Abimayu; Beni Liantori; Irfan Widyanto; Sahril Saputra
JSI: Jurnal Sistem Informasi (E-Journal) Vol 18 No 1 (2026): JSI: Jurnal Sistem Informasi (E-Journal)
Publisher : Jurusan Sistem Informasi Fakultas Ilmu Komputer Universitas Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18495/jsi.v18i1.615

Abstract

Digital transformation in the university environment requires the availability of an integrated, adaptive, and easily accessible information system for all academics. Universitas Graha Karya Muara Bulian (UGKMB) implements an integrated web portal that includes university, faculty, and study program portals as the main means of delivering academic and non-academic information. This study aims to analyze the implementation of the UGKMB portal consisting of the university portal (https://ugkmb.ac.id), the portal of the Faculty of Agriculture, Science and Technology (http://fpst.ugkmb.ac.id/), and the portal of the Information Systems Study Program (http://si.ugkmb.ac.id/). The research method used is a qualitative descriptive method with a case study approach, including needs analysis, system design, implementation, and functional evaluation. The results of the study show that the implementation of an integrated portal is able to improve information consistency, content management efficiency, and accessibility of academic information services. The integration of web structures and identities between organizational levels also supports strengthening institutional branding and information transparency. This research is expected to be a reference for other universities in developing structured and sustainable academic web portals.
PENGARUH KEPEMIMPINAN TRANSFORMASIONAL DAN SELF EFFICACY TERHADAP KINERJA KARYAWAN Irfan Widyanto; Khusnul Fikri; Ivalaina Astarina; Hammam Zaki; Yanti Mayasari Ginting; Abunawas Abunawas
Journal of Economic, Bussines and Accounting (COSTING) Vol. 8 No. 6 (2025): COSTING : Journal of Economic, Bussines and Accounting
Publisher : Institut Penelitian Matematika, Komputer, Keperawatan, Pendidikan dan Ekonomi (IPM2KPE)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31539/tjpfs459

Abstract

Tujuan Penelitian : Tujuan penelitian ini untuk mengetahui dan menganalisis pengaruh kepemimpinan transformasional terhadap kinerja karyawan di PT. Karya Pesona Nusantara; dan pengaruh self efficacy terhadap kinerja karyawan di PT. Karya Pesona Nusantara. Desain/ Metode/ Pendekatan : Metode penelitian yang digunakan merupakan metode penelitian kuantitatif. Populasi dalam penelitian ini adalah seluruh karyawan PT. Karya Pesona Nusantara yang berjumlah 35 orang. Mengingat jumlah populasi relatif kecil, yaitu di bawah 100, maka seluruh anggota populasi diambil semua sebagai sampel penelitian, sehingga penelitiannya disebut sebagai penelitian populasi atau penelitian sensus. Data yang didapatkan dari penyebaran kuesioner dianalisis dengan analisis regresi berganda untuk pengujian hipotesisnya. Temuan Penelitian : Hasil penelitian kepemimpinan transformasional berpengaruh positif tetapi tidak signifikan terhadap kinerja karyawan di PT. Karya Pesona Nusantara; Self Efficacy berpengaruh positif dan signifikan terhadap kinerja karyawan di PT. Karya Pesona Nusantara. Kepemimpinan transformasional dan self efficacy secara simultan berpengaruh signifikan terhadap kinerja karyawan di PT. Karya Pesona Nusantara. Kontribusi Teoritis/ Originalitas: Oleh karena itu, penting bagi perusahaan untuk meningkatkan kepemipinan transformasional dan self efficacy agar perusahaan dapat meingkatkan kinerja karyawan. Implikasi Praktis : Hasil penelitian ini dapat digunakan oleh manajemen PT. Karya Pesona Nusantara untuk memperbaiki strategi kepemimpinan dan pelatihan self-efficacy karyawan. Keterbatasan Penelitian : Penelitian ini hanya dilakukan pada satu perusahaan dengan jumlah responden terbatas (35 orang), sehingga hasilnya tidak dapat digeneralisasikan ke perusahaan lain.
THE EFFECT OF SALES PROMOTION (DISCOUNTS, CASHBACK, VOUCHERS) AND LIVE SHOPPING FEATURES ON CONSUMERS’ PURCHASE INTENTION ON THE TIKTOK SHOP PLATFORM Sumantri; Irfan Widyanto; Gylang Brajo
INTEGRATIVE : Journal of Economics, Management, Business and Accounting Vol. 1 No. 2 (2026): Journal of Economics, Management and Accounting Studies
Publisher : CV. Visionary Raya Sakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.67983/integrative.v1i2.118

Abstract

Research Objectives: This study aims to analyze the effects of sales promotion and live shopping on consumers’ purchase intention on the TikTok Shop platform. Design/ Methodology / Approach Research: This study employs a quantitative associative-descriptive approach involving 60 respondents who have purchased products through TikTok Shop live sessions and utilized sales promotions. Data were collected using five-point Likert-scale questionnaires and analyzed through multiple linear regression. Research Results: The results show that sales promotion has a positive but insignificant effect on purchase intention (t = 0.504; Sig. = 0.616), while live shopping has a negative and insignificant effect (t = −1.486; Sig. = 0.143). Simultaneously, sales promotion and live shopping do not significantly affect purchase intention (F = 1.275; Sig. = 0.287). The R Square value of 0.043 indicates that these two variables explain only 4.3% of the variation in purchase intention. Implications of Research Results: These findings indicate that sales promotion and live shopping are not the primary determinants of consumers’ purchase intention on TikTok Shop. Therefore, sellers should consider other factors, such as seller trust, product quality, customer reviews, perceived value, and previous shopping experience, to strengthen consumers’ purchase intention.
The Effects Of Advertising And Discounts On Purchase Decisions In The Shopee Application: A Study Of Management Students Wiwin Adriani; Muryati; Irfan Widyanto
Preferensi : Journal of Marketing and Business Vol. 1 No. 1 (2026): Preferensi : Journal of Marketing and Business
Publisher : CV. Visionary Raya Sakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.67983/preferensi.v1i1.99

Abstract

Purpose: This study aims to analyze the effects of advertising and discounts on purchase decisions on the Shopee application among Management students at Universitas Graha Karya Muara Bulian. Design/methodology/approach: This study employed a quantitative approach involving Management students at Universitas Graha Karya Muara Bulian as respondents. Data were collected through questionnaires and analyzed using SPSS version 20. The analysis included validity and reliability tests, t-test, F-test, and coefficient of determination. Findings: The results show that advertising and discount variables obtained mean index scores of 4.28 and 4.29, respectively, categorized as very attractive, while purchase decisions obtained a mean index score of 4.30, categorized as very good. Advertising has a positive and significant effect on purchase decisions (t = 3.372 > 2.02809), whereas discounts have no significant effect (t = 1.423 < 2.02809). Simultaneously, advertising and discounts significantly affect purchase decisions (F = 27.992 > 3.27). The Adjusted R² of 0.587 indicates that the two variables explain 58.7% of the variation in purchase decisions. Research implications: The findings indicate that advertising plays an important role in influencing students' purchase decisions on Shopee. Therefore, Shopee and its sellers should develop more attractive and relevant advertising strategies, while discount programs should be evaluated and integrated with other marketing factors to strengthen their effectiveness.
Co-Authors Abunawas, Abunawas Ahmad Fithoni Anggi Andika Pratama Arga Chon Feriandref Astarina, Ivalaina Beni liantori Doni Prasetya Gylang Brajo Hammam Zaki Khusnul Fikri Muhammad Furqan Hakim Muhammad Hakim Muryati Othman Ballan Riman Abimayu Sahril Saputra Sumantri Wiwin Adriani Yanti Mayasari Ginting