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Enrichment: Journal of Multidisciplinary Research and Development
ISSN : -     EISSN : 29873398     DOI : https://doi.org/10.55324
Enrichment: Journal of Multidisciplinary Research and Development is a double-blind, peer-reviewed journal covering multidisciplinary issues. Monthly published by International Journal Labs, the journal serves as a means of relevant discussion that fall within its focus and scopes. This journal publishes research articles covering multidisciplinary sciences, including humanities and social sciences, education, religious sciences, philosophy, economics, engineering sciences, and health sciences.
Arjuna Subject : Umum - Umum
Articles 530 Documents
Application of Multiple Linear Regression (MLR) Method in Certification Activities at ITCC ITPLN Jatnika, Hendra; Luqman, Luqman; Indah Susanti, Meilia Nur; Mulyo Wibisono, Petra Andriyani; Jefri, Mulya
Enrichment: Journal of Multidisciplinary Research and Development Vol. 2 No. 12 (2025): Enrichment: Journal of Multidisciplinary Research and Development
Publisher : International Journal Labs

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55324/enrichment.v2i12.314

Abstract

Multiple Linear Regression (MLR) is one of the algorithms in Machine Learning. Machine Learning that estimates the linear coefficient equations involved in one or more independent variables that can predict the value of the variable of interest. Algorithms used to predict the value of a variable based on the value of other variables. Based on 2021 data at the Information Technology Certification Center (TCC), it can be seen that the quality and quantity of Microsoft International Certification graduates is decreasing. In the pre-pandemic MOS certification, the percentage of passes was seventy-two percent (72%), while in the MOS certification during the pandemic the percentage of passes dropped to fifty-two percent (52%). Based on the results of the MLR trial test on the dataset of MOS-Word and MCF-AI certification test participants, a calculation formula is obtained as a benchmark in assessing the MOS-Word and MCF AI certification scores. The study provides specific recommendations to optimize certification training programs by tailoring materials to address critical competencies and participant needs. Additionally, a predictive formula developed in this research can serve as a self-assessment tool for participants to evaluate their readiness for certification tests. These findings underscore the potential of MLR as a robust analytical tool for improving certification processes, enhancing training effectiveness, and ensuring better outcomes for participants. This research contributes to advancements in machine learning applications within education and professional development contexts.
The Effect of Socialization, Reduction of UMKM PPH Rates and Tax Knowledge on the Implementation of Tax Regulation Harmonization Laws on Increasing Franchise UMKM Tax Compliance. Barnomo, Maria; Hidayah, Nurul
Enrichment: Journal of Multidisciplinary Research and Development Vol. 2 No. 12 (2025): Enrichment: Journal of Multidisciplinary Research and Development
Publisher : International Journal Labs

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55324/enrichment.v2i12.315

Abstract

Tax compliance of MSMEs plays an important role in increasing state revenues, but still faces obstacles such as limited understanding and ever-changing policies. Tax socialization, reduction in Income Tax (PPh) rates for MSMEs, and tax awareness related to MSME compliance with tax regulations are the focus of this study. A total of one hundred and thirty Ayam Gepuk Pak Gembus franchisees in Jabodetabek were the subjects of the study. The calculation used the Slovin formula with a margin of error of 5% to select a sample of 171 partners using a basic random sampling approach. Data analysis used SmartPLS software and Structural Equation Modeling-Partial Least Squares (SEM-PLS). The results of the study showed that tax awareness did not have a significant effect on compliance, but tax socialization and rate reductions had a significant effect. This indicates that simpler policies and effective socialization have a greater influence on compliance than the level of taxpayer knowledge. Implications for the government in designing strategies to improve MSME tax compliance through intensive socialization and more accessible tax policies. This suggests that simplifying tax policies and improving socialization efforts are more effective than merely increasing taxpayer knowledge. The results offer insights for policymakers to refine strategies that encourage MSME tax compliance through accessible regulations and targeted outreach.
Cost Control Analysis Using the Earned Value Method on the Warehouse Construction Package and its Supporting Facilities at Juwata Airport Imaniar, Ridha Annisa; Witjaksana, Budi; Purnama, Jaka
Enrichment: Journal of Multidisciplinary Research and Development Vol. 2 No. 12 (2025): Enrichment: Journal of Multidisciplinary Research and Development
Publisher : International Journal Labs

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55324/enrichment.v2i12.316

Abstract

The construction of warehousing and supporting facilities at Juwata Airport has several obstacles that cause delays in the implementation of the work, so a work control method is needed, namely the earned value method by assessing the cost and time performance of project implementation such as Cost Variance (CV), Schedule Variance (SV), Schedule Performance Index (SPI), and Cost Performance Index (CPI) as well as the estimated cost and time of project completion. The purpose of this research is to calculate the amount of cost needed to complete the project of Warehousing Development Package and Supporting Facilities of Juwata Airport on time according to the plan schedule. The method used is the Earned Value Method in evaluating cost performance and time performance. The analysis carried out uses 3 (three) indicators, namely ACWP (Actual Cost of Work Performance), BCWP (Budgeted Cost of Work Performance) and BCWS (Budgeted Cost of Work Scheduled). By using the earned value method, the final project cost estimate obtained from the EAC is Rp. 15,019,062,678.43 and the estimated time / Time Estimate (TE) at week 26 shows 239 calendar days so that the completion time is 28 days late from the contract schedule. And the solution to the delay is to accelerate the work with an additional cost of Rp. 68,970,000. Future research should explore optimization strategies to enhance efficiency in cost estimation and project scheduling.
Analysis of Determining Road Damage Repair Methods Based on Availability of Budget on the Road Segment of East Java Province Jarwoto, Jarwoto; Wulandari, Esti; Nugroho, Laksono Djoko
Enrichment: Journal of Multidisciplinary Research and Development Vol. 2 No. 12 (2025): Enrichment: Journal of Multidisciplinary Research and Development
Publisher : International Journal Labs

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55324/enrichment.v2i12.317

Abstract

Pavement damage on the Maospati - Magetan - Cemorosewu Road is severe, with issues such as potholes, surface deformation, peeling asphalt layers, and structural deflections due to heavy vehicle loads. These conditions pose significant risks, particularly during the rainy season, leading to hazardous driving conditions. This research aims to analyze the extent of road surface damage and recommend appropriate maintenance solutions using the PKRMS (Provincial/District Road Management System) method and the Bina Marga method. Data were collected through field surveys and official agency reports to assess road conditions. The findings indicate that the overall road condition is relatively good, with low levels of damage. Based on the Bina Marga and PKRMS assessments, routine maintenance is the most suitable repair strategy to prevent further deterioration and enhance road safety. The research underscores the importance of proactive and regular road maintenance planning to ensure long-term road durability. Future research should explore cost optimization strategies and predictive maintenance models to improve infrastructure sustainability.
Analysis of Building Construction Project Management Using Lean Construction Approach to Determine Cost and Time Waste in the Construction Project of Pondok Pesantren Syifaul Qulub Surabaya Efendi, Muhammad; Tjendani, Hanie Teki; Wulandari, Esti
Enrichment: Journal of Multidisciplinary Research and Development Vol. 2 No. 12 (2025): Enrichment: Journal of Multidisciplinary Research and Development
Publisher : International Journal Labs

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55324/enrichment.v2i12.318

Abstract

This research investigates cost waste in detailed engineering design for the Syifaul Qulub Surabaya Islamic Boarding School construction project, aiming for on-time, on-budget completion. Utilizing a Lean Construction approach, the study analyzes waste reduction in this densely populated, limited-access urban environment. Primary data from questionnaires were processed to weigh waste in each activity, followed by value stream analysis tools, including Process Activity Mapping, to identify Value-Added (VA) and Non-Value-Added (NVA) activities. The findings revealed that waiting was the primary cause of waste, contributing to 41.8% of critical waste and a 33-day project delay. Root causes included material procurement issues, transportation challenges, and equipment problems. Waste accounted for 21% of all project jobs, categorized as Unnecessary Movement (13.7%), Transportation (12.2%), Material Defects (11%), Storage (10.9%), and Overproduction (6.8%). By addressing these wastes through targeted Lean interventions, the research suggests a potential project acceleration of approximately 16.5% (33 days) and a cost reduction of 5-10% by optimizing resource use and minimizing material waste. These results demonstrate the practical benefits of Lean Construction in mitigating inefficiencies and delays in challenging urban builds.
Performance Analysis and Operation and Maintenance Cost Requirements for Rapak Di Drainage Yusnita, Maya; Wulandari, Esti; Nugroho, Laksono Djoko
Enrichment: Journal of Multidisciplinary Research and Development Vol. 2 No. 12 (2025): Enrichment: Journal of Multidisciplinary Research and Development
Publisher : International Journal Labs

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55324/enrichment.v2i12.319

Abstract

Inadequate drainage infrastructure often leads to waterlogging during rainfall, emphasizing the need for urgent repairs. This study assesses the performance condition of the Rapak Dalam Drainage system using a quantitative and qualitative approach, including field observations, direct measurements, and hydrological data analysis. The findings indicate that the drainage system is rated at a "Good" performance level, with a functional capability of 80.56%. Although the system effectively manages water in most areas, certain components require immediate repairs to maintain optimal functionality. To enhance drainage performance, this study recommends routine inspections, timely maintenance, and sediment management to prevent blockages. Additionally, upgrading drainage infrastructure, optimizing water flow through improved design, and implementing community-based maintenance programs are suggested to ensure long-term efficiency. These measures will help mitigate flooding risks and improve urban water management in Samarinda.
Analysis of the Piecework Pay System in Improving Work Performance Productivity in the Construction of SMK School Buildings in Caruban District, Madiun Regency Riyadi, Slamet; Tjendani, Hanie Teki; Wulandari, Esti
Enrichment: Journal of Multidisciplinary Research and Development Vol. 2 No. 12 (2025): Enrichment: Journal of Multidisciplinary Research and Development
Publisher : International Journal Labs

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55324/enrichment.v2i12.320

Abstract

The application of the piece-rate wage system in construction projects has the potential to influence project timeliness and worker motivation. This study examines the effect of the piece-rate wage system on the completion efficiency of the SMK school building project in Caruban District, Madiun Regency. A quantitative approach was used, with multiple linear regression analysis conducted on data collected from 40 construction workers via questionnaires. The study analyzed the impact of wage systems, work communication, and work environment on labor productivity and motivation. The results showed that these three factors significantly influence the timely completion of construction work, with the piece-rate wage system playing a crucial role in enhancing worker performance. The findings highlight that implementing a structured piece-rate payment model, improving communication between workers and supervisors, and ensuring a conducive work environment can optimize labor efficiency. This study suggests that contractors and project managers should adopt clear wage agreements, provide incentives for quality work, and establish monitoring mechanisms to balance productivity with work quality.
Analysis of Indonesian Coffee Production, Area, and Consumption Trends in 2022-2026: Opportunities and Challenges in Maintaining the Sustainability of the National Coffee Sector Zargustin, Dedi; Harmaidi, Desma; Nurwati, Niken; Susi, Neng
Enrichment: Journal of Multidisciplinary Research and Development Vol. 2 No. 12 (2025): Enrichment: Journal of Multidisciplinary Research and Development
Publisher : International Journal Labs

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55324/enrichment.v2i12.321

Abstract

This study analyzes the projections of coffee production, area, and consumption in Indonesia in the period 2022–2026 to identify opportunities and challenges in the sustainability of the national coffee sector. A descriptive qualitative approach is employed, using secondary data processed through multiple regression methods and ARIMA models for trend estimation. Secondary data were processed using multiple regression methods and ARIMA models for trend estimation. The results of the analysis show that coffee production tends to be stagnant with an average of 790,103 tons per year, experiencing an average annual decline of 0.12%. Meanwhile, the coffee area shows an average positive growth trend of 0.66% per year, reaching 1,296,254 hectares in 2026. Domestic consumption decreased by an average of 1.19% per year, from 379,655 tons in 2022 to 361,837 tons in 2026. Net coffee exports actually increased consistently by an average of 0.83% per year. This study concludes the need to increase productivity and diversify the domestic market to maintain the sustainability of the coffee sector, amid increasing exports and changing consumption trends. The need for strategies to address declining domestic consumption and stagnating production trends, despite positive growth in coffee cultivation areas and net exports. It emphasizes recommendations such as adopting sustainable farming practices, increasing productivity through technological innovation, and diversifying coffee products to cater to both domestic and international markets. Additionally, it suggests strengthening Indonesia’s competitiveness in the global coffee market by investing in branding, marketing, and value-added products.
The Implementation of Law Number 6/2014 on Villages in the Village Government in Sleman Regency Pravita, Vina Dini; Handoko, V. Rudy; Indartuti, Endang
Enrichment: Journal of Multidisciplinary Research and Development Vol. 2 No. 12 (2025): Enrichment: Journal of Multidisciplinary Research and Development
Publisher : International Journal Labs

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55324/enrichment.v2i12.322

Abstract

Villages in Indonesia are governed by a village government, as defined in Article 2 of Law No. 6/2014, which states that the village government handles local affairs within Indonesia’s government structure. Villages are required to perform government tasks following legal provisions, including planning, implementation, administration, supervision, and evaluation. While villages are not part of the territorial hierarchy in the decentralization system, they have the authority to create village regulations, which are considered part of the legal framework in Indonesia. However, villages face constraints due to higher-level regulations that limit their autonomy and are often seen as lacking the capacity to manage their own governance. The research focuses on the mismatch between village policies and the conditions in Sleman Regency. It addresses issues such as the impact of Law No. 6/2014 on village independence and public services, as well as effective public service models in the region. Using qualitative research with an analytical descriptive approach, the study finds that the policy implementation has not been optimal. One major issue is the lack of flexibility in the policy content to meet the needs of the village government, leading to obstacles in providing efficient public services at the village level. The study identifies key findings, including limited village independence due to supra-village regulations, resource constraints, and communication barriers between policy makers and implementers. It highlights positive outcomes such as improved administrative order and innovation in revenue generation by village governments. The research concludes with recommendations for enhancing flexibility in policy content, strengthening resources, and fostering innovation to better align public services with community needs.
Factors that Influence the Intention of Micro, Small, And Medium Enterprises (MSMEs) to Use Marketplaces in the Digitalization Era Suprihatin, Erni; Suhud, Usep; Handaru, Agung Wahyu
Enrichment: Journal of Multidisciplinary Research and Development Vol. 2 No. 12 (2025): Enrichment: Journal of Multidisciplinary Research and Development
Publisher : International Journal Labs

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55324/enrichment.v2i12.323

Abstract

The purpose of this study is to find variables that affect the intention of micro, small, and medium enterprises (MSMEs) to use e-marketplaces. Innovation diffusion theory (IDT) and the technology acceptance model (TAM) are applied in this study to understand how MSMEs adapt to e-marketplaces. While IDT shows how innovation can be accepted and used, TAM shows how MSMEs can accept and use technology through perceived usefulness, perceived ease of use, and attitude characteristics. IDT's approach in this study is limited to compatibility, which is a decisive element in the selection of MSMEs to join the e-marketplace. The perceived trust factor in this study is suggested to support the impact of compatibility on MSMEs' intention to use e-marketplaces. This study uses a survey methodology using questionnaires. A total of 219 samples were taken from MSMEs in Tangerang City, Indonesia, who are at least 17 years old and have previously used the e-marketplace. According to the findings, compatibility significantly influenced the intention to use through perceived trust intervention factors, but the intention to use was not significantly influenced by the intervention variables of attitude, perceived usefulness, or perceived ease of use. The findings of this study have implications for digital marketing plans and strategies for MSMEs and marketplace companies and government policy guidance.

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