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All Journal Indonesian Journal of Islam and Muslim Societies MUQTASID Jurnal Administrasi Bisnis (JABis) EKOMBIS REVIEW: Jurnal Ilmiah Ekonomi dan Bisnis Perisai : Islamic Banking and Finance Journal al-Uqud : Journal of Islamic Economics Journal of Economic, Bussines and Accounting (COSTING) EKONOMIS : Journal of Economics and Business Muqtasid: Jurnal Ekonomi dan Perbankan Syariah Journal of Economic, Management, Accounting and Technology (JEMATech) Efektor Jambura Journal of Educational Management Inovasi: Jurnal Ilmiah Ilmu Manajemen Jurnal Administrasi dan Manajemen Jurnal Manajerial JURNAL EKSBIS Dinasti International Journal of Education Management and Social Science Revitalisasi : Jurnal Ilmu Manajemen Management Studies and Entrepreneurship Journal (MSEJ) Jurnal Ilmiah Manajemen Kesatuan Jurnal E-Bis: Ekonomi Bisnis JOURNAL OF BUSINESS AND ECONOMICS RESEARCH (JBE) Indonesian Journal of Cultural and Community Development Indonesian Journal of Law and Economics Review Jurnal Disrupsi Bisnis Jurnal Ilmu Manajemen Advantage Indonesian Journal of Innovation Studies Indonesian Journal of Public Policy Review Indonesian Journal of Islamic Studies Journal of Islamic and Muhammadiyah Studies Jurnal Ilmiah MEA (Manajemen, Ekonomi, dan Akuntansi) Journal Publicuho Journal Research of Social Science, Economics, and Management Paradoks : Jurnal Ilmu Ekonomi Research Horizon Innovative Technologica: Methodical Research Journal IIJSE Jurnal Pemberdayaan Ekonomi dan Masyarakat Journal of Economics and Economic Policy Frontiers in Research Journal Journal of Micro, Small and Medium Enterprises Ulil Albab Jurnal Ilmu Manajemen Academia Open International Journal of Economic Integration and Regional Competitiveness Journal of Artificial Intelligence and Digital Economy
Kumara Adji Kusuma
Program Studi Manajemen, Universitas Muhammadiyah Sidoarjo, Indonesia
Religion Arts Humanities Chemical Engineering, Chemistry & Bioengineering Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Mechanical Engineering Medicine & Pharmacology Public Health Social Sciences Other

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Revolutionizing Fast Food Marketing Strategy using Kotler's Approach: Merevolusi Strategi Pemasaran Makanan Cepat Saji menggunakan Pendekatan Kotler Neni Dwi Riris Setyowati; Kumara Adji Kusuma
Academia Open Vol. 9 No. 2 (2024): December
Publisher : Universitas Muhammadiyah Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21070/acopen.9.2024.8692

Abstract

This study investigates marketing strategies and service quality's impact on consumer decisions to purchase fast food at M2M, employing Kotler's marketing mix strategy. Using a qualitative approach, the research explores elements of the marketing mix—product, pricing, promotion, and distribution—influencing marketing success. Interviews with M2M managers and on-site observations provide insights. Findings highlight segmentation, targeting, and positioning processes, emphasizing mass marketing via social media. Key aspects include market penetration through affordable pricing and forward integration by collaborating with street food vendors. Implications suggest enhancing product innovation and understanding competitors' offerings. This research contributes to understanding effective marketing strategies in the fast-food industry, informing future business practices. Highlight: Impact of marketing mix on consumer behavior. Influence of service quality on purchase decisions. Application of Kotler's strategy in fast food industry. Keyword: Marketing strategy, Service quality, Consumer decisions, Fast food industry, Kotler's marketing mix.
The Ontological Foundations of Islamic Psychology: A Critical Comparison with Western Psychology and Its Theoretical Implications Kumara Adji Kusuma; Eko Hardi Ansyah
Academia Open Vol. 11 No. 1 (2026): June
Publisher : Universitas Muhammadiyah Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21070/acopen.11.2026.13241

Abstract

General Background: Contemporary psychology has predominantly evolved within Western empiricist and materialist traditions that conceptualize human nature through biological, cognitive, and behavioral dimensions. Specific Background: In contrast, Islamic Psychology is grounded in an Islamic worldview that understands human beings as an ontological unity comprising ruh, qalb, nafs, ‘aql, and jasad, each possessing distinct ontological status. Knowledge Gap: Despite increasing applied research in Islamic counseling and psychotherapy, the ontological foundations distinguishing Islamic Psychology as an autonomous scientific paradigm remain insufficiently articulated. Aims: This study aims to formulate a coherent ontological framework of Islamic Psychology and critically compare it with the dominant ontological assumptions of Western psychology. Results: Using a qualitative–philosophical library research approach, the study demonstrates that Islamic Psychology offers an integrative and hierarchical conception of the human soul that cannot be reduced to material or cognitive processes, while Western psychological paradigms largely operate within reductionist ontologies. Novelty: The study systematically articulates the ontological structure of ruh, qalb, nafs, ‘aql, and jasad as foundational elements of Islamic Psychology, positioning them as constitutive realities rather than symbolic constructs. Implications: This ontological clarification provides theoretical, methodological, and practical foundations for positioning Islamic Psychology as a philosophically autonomous and complementary paradigm within global psychological discourse, particularly in addressing spiritual and existential dimensions of human well-being. Highlights:  Islamic Psychology is grounded in an integrative ontological model uniting spiritual, rational, and bodily dimensions. Western psychological paradigms predominantly rely on materialistic and reductionist ontological assumptions. Ontological clarification strengthens Islamic Psychology as an autonomous and complementary scientific paradigm. Keywords: Islamic psychology; ontology; human soul; spirituality; Western psychology
The Influence of Leadership, Performance Allowances, and Work Culture on Employee Performance at the Candi District Office Tri Ardha Rachmadani; Kumara Adji Kusuma; Sumartik Sumartik; Khoong Tai Wai
Dinasti International Journal of Education Management and Social Science Vol. 7 No. 2 (2025): Dinasti International Journal of Education Management And Social Science (Decem
Publisher : Dinasti Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.38035/dijemss.v7i2.5855

Abstract

This study aims to analyze the influence of Leadership, Performance Allowances, and Work Culture on Employee Performance at the Candi District Office. The method used is quantitative descriptive with a non-probability technique in the form of purposive sampling. The number of respondents was 83 employees of the Candi District Office. The data collection technique used a questionnaire, while the data was processed using the Statistical Program For the Social Sciences software version 27. The results of the study indicate that: (1) Leadership has a positive and significant effect on employee performance; (2) Performance Allowances have a positive and significant effect on employee performance; and (3) Work Culture does not have a significant effect on employee performance at the Candi District Office. The conclusion of the study confirms that leadership and performance allowances are determinants of performance, while work culture in this context does not have a significant impact.
Analysis of Product Differentiation, Brand Image, and Consumer Perceptions of Purchasing Decisions in E-Commerce M. Farid Hilmi Najim; Kumara Adji Kusuma; Dewi Komala Sari
Journal Research of Social Science, Economics, and Management Vol. 5 No. 11 (2026): Journal Research of Social Science, Economics, and Management
Publisher : Publikasi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59141/jrssem.v5i11.1482

Abstract

The fast growth of online shopping has altered the ways in which consumers typically make purchases. The main objective of this study is to examine how product uniqueness, brand image, and customer feelings influence online shopping behavior. One hundred participants from the Management Study Program at Muhammadiyah University of Sidoarjo were interviewed using a purposive sampling method in this quantitative study. Multiple linear regression in SPSS was used to analyze the data. The study showed that the three factors have a positive and significant effect on purchasing decisions, with their respective levels of significance: product differentiation (t = 2.603; p = 0.011), brand image (t = 9.038; p = 0.000), and consumer perception (t = 9.534; p = 0.000). Consumer perception is the most dominant variable. The conclusion of this study emphasizes the importance of differentiation strategies, strengthening brand image, and understanding consumer perception. The implication is that e-commerce players need to focus on product value and customer experience to increase loyalty and sales.
Work Engagement As An Variabel Intervening Person Job Organization And Person Job Fit On Turnover Intention Lailatul Ilmia; Rifdah Abadiyah; Kumara Adji Kusuma
Jambura Journal of Educational Management Volume 5 Nomor 1, Maret 2024
Publisher : JURUSAN MANAJEMEN PENDIDIKAN FAKULTAS ILMU PENDIDIKAN UNIVERSITAS NEGERI GORONTALO

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37411/jjem.v5i1.3001

Abstract

Penelitian ini bertujuan untuk menguji peran work engagement sebagai variabel intervening pada pengaruh person organization fit dan person job fit terhadap turnover intention di PT.XYZ Sidoarjo. Penelitian menggunakan metode kuantitatif jenis penelitian deskriptif. Pengambilan sampel dalam penelitian ini menggunakan metode sampel jenuh dengan jumlah sampel dalam penelitian ini sebanyak 82 responden. Penelitian ini menggunakan Teknik pengumpulan data dengan menyebarkan kuesioner. Teknik analisis menggunakan alat statistik SPSS versi 25. Hasil penelitian ini menunjukkan bahwa person organization fit tidak berpengaruh terhadap turnover intention, person job fit berpengaruh negatif dan signifikan terhadap turnover intention. Work engagement berpengaruh negatif dan signifikan terhadap turnover intention. Sedangkan secara bersama-sama person organization fit, person job fit, work engagement berpengaruh signifikan terhadap turnover intention. Dan secara tidak langsung person organization fit berpengaruh dan signifikan terhadap turnover intention melalui work engagement. Person job fit secara tidak langsung berpengaruh dan signifikan terhadap turnover intention melalui work engagement.
Skincare Branding Strategies: The Impact of Brand Awareness, Trust, and Image on Purchasing Decisions Muhammad Rajib Krisnahadi; Dewi Komala Sari; Kumara Adji Kusuma
Jurnal Ilmu Manajemen Vol. 14 No. 2 (2025): Jurnal Ilmu Manajemen
Publisher : Universitas Muhammadiyah Palembang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32502/jim.v14i2.543

Abstract

This study aims to determine the effect of brand awareness, brand trust and brand image on purchasing decisions on skincare skintific Tiktokshop Sidoarjo. This study uses a quantitative approach, for the population in this study is the Sidoarjo community with a sample of 100.The sampling technique uses purposive sampling with the respondent criteria, namely the Sidoarjo community who have purchased skincare skintific tiktok shop. Data collection techniques by distributing questionnaires and answers are measured using a Likert scale. The data analysis technique in this study uses the smart PLS (Partial Least Square) tool. The results of this study prove that Brand Awareness influences purchasing decisions on skincare skintific tiktokshop products. In addition, Brand Trust influences purchasing decisions on skincare skintific tiktok shop products and Brand Image influences purchasing decisions on skincare skintific tiktok shop products
The Influence of Product Quality, Social Media Creative Content and Consumer Testimonials on Purchasing Decisions Aulia Safira Andrianti; Kumara Adji Kusuma
Jurnal Ilmiah Manajemen Kesatuan Vol. 13 No. 2 (2025): JIMKES Edisi Maret 2025
Publisher : LPPM Institut Bisnis dan Informatika Kesatuan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37641/jimkes.v13i2.3141

Abstract

This study aims to analyze the influence of product quality, social media creative content, and consumer testimonials on the purchase decision. Consumers of the Pilotter brand identified as popular in the study include those who use social media and have previously purchased products, as well as those between the ages of 12 and 40 who frequently visit Sidoarjo and make purchases from P's online and offline stores. This study uses a quantitative approach with the Partial Least Square (PLS) method and involves 100 respondents who are Pilotter consumers. Evaluation of the Inner Model (structural model) is carried out by calculating the values of R-Square, Q-Square, and F-Square. R-Square measures how much the variation of the change of independent variables affects the dependent variable, while Q-Square is used to determine the predictive relevance of the research through the blindfolding procedure. The results of the analysis showed that product quality did not have a significant effect on purchasing decisions, while social media creative content and consumer testimonials had a positive and significant influence. This shows that digital marketing strategies through social media and customer reviews play a greater role in attracting consumer interest than the quality factor of the product itself. Therefore, companies are advised to strengthen their digital marketing strategies and manage customer testimonials optimally to increase competitiveness and sales.
Pengaruh Knowledge Sharing, Human Relation, dan Self Efficacy terhadap Kinerja Pegawai (Studi Kasus pada Badan Pengawasan Keuangan dan Pembangunan (BPKP) Perwakilan Provinsi Jawa Timur) Umi Nafakhatu Ambariya; Sumartik Sumartik; Kumara Adji Kusuma
Ekonomis: Journal of Economics and Business Vol 10, No 1 (2026): Maret
Publisher : Universitas Batanghari Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33087/ekonomis.v10i1.2752

Abstract

The purpose of this study is to analyze the influence of knowledge sharing, human relations, and self-efficacy on the performance of BPKP East Java Representative employees. This type of research uses a quantitative approach with a survey method using a questionnaire to collect data. The sampling technique in this study used a total sampling of 190 employees. Multiple linear regression analysis includes classical assumption tests, validity tests, reliability tests, t-tests, F-tests and determinant coefficients. The results of this study reveal that simultaneously and partially there is a positive and significant influence between the variables of knowledge sharing, human relations, and self-efficacy on employee performance at the BPKP East Java Representative Office.
Product Quality, Price, and Word of Mouth on Customer Purchase Decisions: A Study at Cafe Horas Porong Yusuf Sobirin; Kumara Adji Kusuma; Lilik Indayani
Journal of Economic, Management, Accounting and Technology (JEMATech) Vol 9 No 1 (2026): Februari
Publisher : Fakultas Teknik dan Ilmu Komputer, Universitas Sains Al-Qur'an (UNSIQ) Wonosobo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32500/jematech.v9i1.9167

Abstract

This study focused on analyzing the influencing element of purchase decisions in the context of coffee shop at Café Horas Porong with a focus on the effect of product quality, price, and word of mouth on customer purchase decisions at Café Horas Porong. The approach in this research is using quantitative method in which the sample is taken using purposive sampling technique from 96 respondents who have made purchases at Café Horas Porong. The data was analyzed using SmartPLS 3. The results of the study show that the three independent variables, namely product quality, price, and word of mouth, significantly and positively affects customer purchase decision. The implications of this study contribute to the management of Cafe Horas Porong to focus on improving product quality, competitive pricing, and positive word of mouth management in order to increase customer purchase decision. The urgency of this research lies in the need for MSMEs to understand the key factors that can increase competitiveness in the midst of increasingly fierce competition in the coffee shop industry. The limitation of this study lies in the limited location coverage of one coffee shop, so generalization of the results needs to be done with caution. The novelty of this research lies in the simultaneous integration of the three variables in the context of local coffee shop MSMEs in the Porong area.
THE ROLE OF DIGITAL MARKETING AND SERVICE QUALITY ON CUSTOMER LOYALTY IN THE CAFE BUSINESS AT KAVLING DPR SIDOARJO THROUGH CUSTOMER ENGAGEMENT AS MEDIATION Rafli Permana Putra; Muhammad Yani; Kumara Adji Kusuma
International Journal of Economic Integration and Regional Competitiveness Vol. 3 No. 3 (2026): International Journal of Economic Integration and Regional Competitiveness
Publisher : Antis Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61796/ijeirc.v3i3.503

Abstract

Objective: This study aims to analyze the influence of digital marketing and service quality on customer loyalty through customer engagement in cafe businesses in the Kavling DPR Sidoarjo area. Method: The study used a quantitative approach with a purposive sampling technique on 114 respondents who had visited and interacted with digital cafe media in the area. Data analysis was conducted using the Partial Least Squares (PLS) method. Results: The results showed that digital marketing and service quality had a positive and significant effect on customer engagement, while customer engagement had a positive and significant effect on customer loyalty. Service quality was also proven to have a positive and significant effect on customer loyalty, while digital marketing had a significant negative effect on customer loyalty. In addition, customer engagement was able to significantly mediate the effect of digital marketing on customer loyalty, but was not able to mediate the effect of service quality on customer loyalty. Novelty: The research findings indicate that consistent service quality and interactive, relevant, and moderate digital marketing strategies are important factors in increasing customer engagement and loyalty in cafe businesses. The implications of this study emphasize the importance of cafe businesses to optimize service quality, strengthen creative and personalized digital communication, and build long-term relationships with customers through increased customer engagement to face increasingly competitive F&B businesses.
Co-Authors Abadiyah, Rifda Abbadiyah, Rifdah Abdul Hadi Abiadiyah, Rifdah Adi Setiyawan, Moch. Rizqi Aidah Safira Maharani Aji, Yovan Khrisna Alshaf Pebrianggara Amaliyah, Rose Amelia Khusnul Chotima Amelia, Ananda Mety Amin, Muchammad Iqbal Al Ananda Ratih Ayu Kumalasari Anggara, Reza Tri Ardiansyah, M. Ilham Aril Amanda Putri Arini, Yulita Tri Arumalaita, Dina Asfianto, Firda Oktavia At’taib , Adam At’taib, Adam Aulia Riza Ainun Nur Rohmah Aulia Safira Andrianti Aulia, Nabilah Syaharani Aureliyah Putri, Ladynah Zarrah bin Ramlan, Syafiq Izwan Binti Nordin, Nadhirah Cahyaningrum , Bunga Dyah Chusna, Nisaul Chusnah, Yunia Najachatul Della Puspita Maretania Detak Prapanca Dewi Andriani Dewi Andriani Dewi Komala Sari Dhinin Bella Ira Sari Ditya, Dhiki Arta Dyah Atia Mayang Fa'una Efendy, Syahril Effendie , Abdul Haris Eka Febriansah, Rizky Eko Hardi Ansyah Fandi Ardiansyah Faruq Ahmad Futaqi Fauline Arizka Putri Fauzi Ahmad Muda Febrianti, Shela Firda Oktavia Asfianto Firdaus, Nala Alifiyah Firdausi Gita Agustiya Firmansyah, Syafril Adin Fita Widi Rahmawati Fitriyah, Yeni Gitania, Ahmita Dwi Hadi Praseno Harijono, Dyah Alifia Wulandhari Hasan Ubaidillah Hasan Ubaidillah Herlinda Maya Kumala Sari Herlinda Maya Kumala Sari, Herlinda Maya Kumala Hidayatulloh Ida Wijayanti Ilmi, Samrotul Imam Fauji, Imam Julian Adam Khoong Tai Wai Kyki Veronica Anggraeni Lailatul Ilmia Lestari , Indah Dwi Lilik Indayani M. Farid Hilmi Najim Machdani, Muchlis Dzul Maharani, Febi Putri Mas Oetarjo Mashuri, Muchamad Ali Maulana Rizky Widhiarto Misti Hariasih Miya Wulandari Setyaningsih Mochamad Rizal Yulianto Mochamad Rizal Yulianto Mochammad Fatur Irawan Mohammad Ridho Mubarok Muhamad Nafik Hadi Ryandono Muhammad Rajib Krisnahadi Muhammad Yani Muhammad Yani, Muhammad Neni Dwi Riris Setyowati Nisail Azizah, Risma Nugroho, Mukhamad Aditya Bayu Nur Kholidah Nurhafizah, Intan Oktaviani, Ika Pamungkas, Nur Cahyo Bagas Payapo, Muhammad Sabilal Akbar Praseno, Hadi Putri, Dhita Eka Ananda Rafli Permana Putra Rara Novalia Rifdah Abadiyah Rindiani Rindiani Risma Septiani Rita Ambarwati Rita Ambarwati Sukmono Riyandah, Bayu Rafid Riza Nur Laila Rizki Ragil Pamungkas Rizky Eka Febriansah Rizky Eka Febriansah Rosyihin, Farih Ayu Mukhoirotin Sirojul Umma Sabrina, Herdina Safina, Maria Salsabila Putri Agustina Santosa, Lexssy Saputra , Marchelino Tryas Sari, Melani Fitria Devita Sari, Puput Dwi Sasmita Setiawan, Mochammad Agung Setyowati, Neni Dwi Riris Sinta Listia Siti Jamilah Siti Nur Hidayati Sumartik Syafrianda, Adityan Tai Wai, Khoong Taris Dwi Wulandari Teguh Prasetyo Teguh Prasetyo Tiga Andina Tri Ardha Rachmadani Tuffah Hati Umniyyah Ubaidillah , Hasan Ubaidillah, Hasan Umi Nafakhatu Ambariya Ummi Syakinah, Innani Uswatun Nur Lailiya Utami, Siska Putri Vera Firdaus Wahyu Danang Setiawan Wahyuma, Nukhi Khusna wahyuni wahyuni Wai, Khoong Tai Walidah, Laili Zana Wibowo, Zurna Arifah Masruri Widi, Yodik Lestyo Wijayanti, Ida Yodik Lestyo Widi Yulianita Dwi Safitri Yunia Najachatul Chusnah Yusuf Sobirin Zaenha, Mochamad Abdi Redani