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All Journal SULTANIST: Jurnal Manajemen dan Keuangan International Journal of Educational Review, Law And Social Sciences (IJERLAS) International Journal of Social Science, Educational, Economics, Agriculture Research, and Technology (IJSET) Jurnal Derma Pengabdian Dosen Perguruan Tinggi (Jurnal DEPUTI) BONANZA : Jurnal Ilmiah Ekonomi, Bisnis dan Keuangan International Journal of Economic, Technology and Social Sciences (Injects) Jurnal Penelitian Teknologi Informasi dan Sains
Saidan Sany Lubis
Universitas Al Azhar
Religion Agriculture, Biological Sciences & Forestry Humanities Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Materials Science & Nanotechnology Mechanical Engineering Public Health Social Sciences Other

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Optimalisasi sistem plumbing hemat air di Rusun Brimob Sampali Medan: edukasi teknologi dan manajemen limbah cair Siregar, Zufri Hasrudy; Nasution, Arif Fadillah; Mawardi; Puspita, Riana; Refiza; Nasution, Asmara Sari; Fazri, Muhammad; Lubis, Saidan Sany
Jurnal Derma Pengabdian Dosen Perguruan Tinggi (Jurnal DEPUTI) Vol. 5 No. 1 (2025): Januari 2025
Publisher : LPPM Universitas Al-Azhar medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54123/deputi.v5i1.399

Abstract

The availability of clean water in high-density urban areas is a pressing concern, as evidenced by the limited infrastructure and significant water wastage, which can reach 30%. This research aims to optimize the water-saving plumbing system in Brimob Sampali Flat in Medan through an integrative approach of applying modern technology and community education.This research utilizes a mixed method of qualitative (observation, interview) and quantitative (Likert scale questionnaire, digital measurement) data collection. The research process is outlined as follows: first, the existing conditions are analyzed; second, a new plumbing system is designed; third, water-saving technologies are implemented, such as gray water recycling systems and dual flush toilets; fourth, the effectiveness of the system is monitored and evaluated.The study population consisted of 30 residents of the Brimob Sampali Flat in Medan, and their pre- and post-implementation water consumption data were compared to measure the impact of the system.The results indicated that the implementation of the water-efficient plumbing system led to a 33.52% reduction in water consumption, while the integration of the gray water recycling system augmented this reduction by an additional 58.17%.The educational program was found to have enhanced residents' comprehension of water conservation, as evidenced by an average Likert score of 4.03 out of 5. Moreover, satisfaction with the novel system attained an average score of 4.1, signifying a positive response.The novelty of this study lies in the integration of water-saving technologies with an educational program designed specifically for the local Indonesian context, providing a holistic model that can be replicated in other regions to address clean water issues in a sustainable manner.
Analisis Big Data untuk Prediksi Permintaan Produk dalam E-commerce Sumita Wardani; Saidan Sany Lubis; Rico Wijaya Dewantoro
Jurnal Penelitian Teknologi Informasi dan Sains Vol. 3 No. 1 (2025): JURNAL PENELITIAN TEKNOLOGI INFORMASI DAN SAINS
Publisher : Institut Teknologi dan Bisnis (ITB) Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54066/jptis.v3i1.3066

Abstract

The rapid development of e-commerce has generated huge volumes of data, opening up opportunities to analyze product demand patterns more accurately. This research aims to develop a product demand prediction model based on big data analysis. The data used includes sales transactions, product searches, customer reviews, and external factors such as seasons and promotions. The main methods used are machine learning techniques such as random forest regression and neural networks to build predictive models, with data extraction, transformation, and analysis processes carried out using big data platforms such as Hadoop and Spark. The resulting model is evaluated using accuracy metrics, such as mean absolute error (MAE) and root mean square error (RMSE), to measure prediction performance. The results show that the use of big data in product demand prediction can increase the accuracy of inventory planning and stock management by up to 25% compared to conventional methods. These findings make a significant contribution to the optimization of e-commerce operations, especially in more efficient and timely data-driven decision-making.
PENGARUH KUALITAS PELAYANAN, HARGA DAN RELATIONSHIP MARKETING TERHADAP LOYALITAS PELANGGAN BERBELANJA DI SMARTSHOP MARELAN Syahputri, Laila; Dewi, Sri Puspa; Lubis, Saidan Sany
BONANZA : Jurnal Ilmiah Ekonomi, Bisnis dan Keuangan Vol. 5 No. 1 (2025): Februari 2025
Publisher : Fakultas Ekonomi Universitas Al-Azhar Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54123/bonanza.v5i1.417

Abstract

Kajian ini berupaya sebagai mengkaji dampak kualitas layanan, harga dan relationship marketing terhadap loyalitas pelanggan Smartshop Marelan. Metode kuantitatif digunakan sebagai strategi penelitian. Beberapa metode pengumpulan data yang diterapkan antara lain survei, analisis dokumen, dan observasi. Mengingat jumlah populasi yang tidak dapat dipastikan, besar sampel ditentukan menggunakan rumus Lemeshow. Sebagai hasilnya, sebanyak 96 pelanggan terlibat dalam survei ini. Berdasarkan temuan penelitian yang menunjukkan bahwa nilai t-hitung > t-tabel (2.144 > 1.9860) dan tingkat signifikansi 0.035 yang lebih kecil dari 0.05, kualitas layanan memiliki pengaruh signifikan dan positif terhadap loyalitas pelanggan. Dengan nilai t-hitung yang lebih besar dari t-tabel (7.956 > 1.9860) dan tingkat signifikansi 0.0000 yang juga lebih kecil dari 0.05, temuan analisis ini mengindikasikan bahwa harga memberikan dampak yang baik dan signifikan kepada loyalitas klien. Relationship marketing juga mengasih damapk yang baik dan bermakna kepada kesetiaan pelanggan, yang dibuktikan dengan nilai t-hitung yang lebih tinggi daripada t-tabel (2,725 > 1,9860) dan tingkat makna yang terbatas dari 0,05 (0,008). Berdasarkan hasil uji F, nilai F-hitung (62,278) lebih besar dibandingkan dengan nilai F-tabel (2,70), dan nilai signifikansi 0,0000 < 0,05. Temuan ini mengindikasikan bahwa loyalitas pelanggan di Smartshop Marelan dipengaruhi oleh faktor-faktor seperti kualitas layanan harga dan relationship marketing.
ANALYSIS OF COMPENSATION AND WORKING ENVIRONMENT ON LECTURER PERFORMANCE AT AL AZHAR UNIVERSITY MEDAN Saidan Sany Lubis; Yeni Absah; Vivi Gusrini Rahmadani Pohan
International Journal of Educational Review, Law And Social Sciences (IJERLAS) Vol. 4 No. 4 (2024): July
Publisher : RADJA PUBLIKA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54443/ijerlas.v4i4.1781

Abstract

The purpose of this study was to evaluate various aspects of the performance of lecturers at Al Azhar University Medan in terms of compensation and work environment. The population used is all lecturers of Al Azhar University Medan with the sample used using Slovin totaling 54 people. The data analysis technique used is using the classical assumption test consisting of (normality, heterocedacity, multicolonierity), multiple linear regression test, t test, f test and determination test using SPSS (Statistical Package for the Social Sciences). The results of this study indicate that 1) Compensation has a positive and significant effect on Lecturer Performance, 2) Work Environment has no effect and is not significant to Lecturer Performance, 3) Compensation and Work Environment affect Lecturer Performance simultaneously.
ANALYSIS OF SALARY AND INCENTIVES ON LECTURERS' PERFORMANCE AT AL AZHAR UNIVERSITY MEDAN Saidan Sany Lubis
International Journal of Social Science, Educational, Economics, Agriculture Research and Technology (IJSET) Vol. 4 No. 4 (2025): MARCH
Publisher : RADJA PUBLIKA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54443/ijset.v4i4.714

Abstract

This study aims to analyze the effect of salary and incentives on lecturer performance at Al Azhar University Medan. Lecturer performance is a major factor in improving the quality of education, which is influenced by various aspects, including financial compensation. This study uses a quantitative method with regression analysis techniques. The results of the study indicate that salary and incentives have a positive and significant effect on lecturer performance, both partially and simultaneously. This finding confirms that good compensation can increase lecturer motivation, productivity, and loyalty in carrying out their academic duties. Therefore, salary and incentive policies must be adjusted to the needs and expectations of lecturers in order to achieve optimal performance.
The Role of HR Analytics as a Moderator in the Integration Model of HR Capabilities and Strategic Alignment on the Sustainable Performance of Plantation Sector Companies in North Sumatra Lubis, Saidan Sany; Batubara, Soulthan Saladin; Iskandar Muda
International Journal of Economic, Technology and Social Sciences (Injects) Vol. 6 No. 2 (2025): October
Publisher : CERED Indonesia Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53695/injects.v6i2.1433

Abstract

This research seeks to examine the function of HR Analytics as a moderating variable in the integration model of HR Capabilities and Strategic Alignment concerning Sustainable Performance in plantation sector enterprises in North Sumatra. The study's background stems from the significance of the plantation sector as a primary contributor to the regional GRDP, despite encountering challenges in sustainability, digital readiness, and HR competencies. This study employed a quantitative methodology utilizing the PLS-SEM technique, involving 162 participants, including HR managers, plantation managers, departmental assistants, and sustainability officers. The results show that HR Capabilities don't have a big effect on Sustainable Performance, but Strategic Alignment does have a big negative effect. HR Analytics has a big effect on Sustainable Performance, but it doesn't change the link between HR Capabilities and performance. On the other hand, HR Analytics makes the link between Strategic Alignment and Sustainable Performance worse. These results show that HR digitalization and the use of analytics are important for plantation companies to make their business processes more flexible, efficient, and long-lasting.
DETERMINANT MODEL OF JOB SATISFACTION AND ORGANIZATIONAL CITIZENSHIP BEHAVIOR Farisi, Salman; Lubis, Saidan Sany; Sudirman, Acai; Nurhayati, Nurhayati
SULTANIST: Jurnal Manajemen dan Keuangan Vol. 13 No. 2 (2025)
Publisher : Sekolah Tinggi Ilmu Ekonomi Sultan Agung Pematangsiantar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37403/sultanist.v13i2.765

Abstract

This research aims to determine the influence of Person Job Fit and Person Organizational Fit on Organizational Citizenship Behavior through Job Satisfaction as an Intervening Variable at the Directors' Office of PT Perkebunan Nusantara IV Regional I Medan, both directly and indirectly. This research used a quantitative approach with a sample size of 86 people. A questionnaire was used for data collection in this research. The data analysis technique uses Partial Least Square - Structural Equestion Model (PLS-SEM), which aims to conduct path analysis using latent variables. The research results show that Person Job Fit has an effect on Organisational Citizenship Behaviour, Person Organisational Fit affects Organisational Citizenship Behaviour, and Person Job Fit has no effect on Job Satisfaction. Personal Organizational Fit influences employee job satisfaction. Job satisfaction influences employee Organizational Citizenship Behavior. Person Job Fit does not affect Organizational Citizenship Behavior through PT Employee Job Satisfaction. Perkebunan Nusantara IV Regional I Medan. Personal Organizational Fit influences Organizational Citizenship Behavior through PT Employee Job Satisfaction. Perkebunan Nusantara IV Regional I Medan.
Co-Authors Acai Sudirman Asmara Sari Nasution Farisi, Salman Fazri, Muhammad Iskandar Muda Mawardi Nasution, Arif Fadillah Nurhayati Nurhayati Refiza Riana Puspita, Riana Rico Wijaya Dewantoro Siregar, Zufri Hasrudy Sri Puspa Dewi Sumita Wardani Syahputri, Laila Vivi Gusrini Rahmadani Pohan Yeni Absah