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Academia Open
Published by Universitas Muhammadiyah Sidoarjo
ISSN : -     EISSN : 27147444     DOI : 10.21070/acopen.11.2026.12985
Core Subject : Health,
Medicine & Pharmacology Public Health
Academia Open is published by Universitas Muhammadiyah Sidoarjo published 2 (two) issues per year (June and December). This journal provides immediate open access to its content on the principle that making research freely available to the public supports a greater global exchange of knowledge. This journal aims is to provide a place for academics and practitioners to publish original research and review articles. The articles basically contains any topics research or review. Academia Open is available in online version. Language used in this journal is Indonesia or English.
Arjuna Subject : Profesi Kesehatan - Profesi Kesehatan (Lain-Lain)
Articles 2,389 Documents
 162   163   164   165   166 
Quality Management Adoption in Building Materials Firms Improves Productivity and Profitability: Penerapan Manajemen Kualitas di Perusahaan Bahan Bangunan Meningkatkan Produktivitas dan Keuntungan Hakberdiev Ulugbek Nasrullo Ugli
Academia Open Vol. 10 No. 2 (2025): December
Publisher : Universitas Muhammadiyah Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21070/acopen.10.2025.11804

Abstract

General Background: The building materials industry plays a critical role in national economic growth, particularly in developing countries where infrastructure demands are rising. Specific Background: Despite increased output, quality assurance remains underdeveloped in many enterprises, limiting both competitiveness and sustainability. Knowledge Gap: Although global quality management systems such as ISO 9001, TQM, and Six Sigma are well-studied, their effective adaptation to local contexts like Uzbekistan remains insufficiently explored. Aims: This study investigates the practical application of quality management principles in Uzbekistan’s building materials sector, comparing enterprises with and without ISO 9001 implementation. Results: The findings reveal that ISO-certified companies experience significantly higher customer satisfaction (85% vs. 60%), lower defect rates (3% vs. 12%), and increased production efficiency (92% vs. 75%). Employee training also correlates with reduced turnover and operational stability. Novelty: The study combines empirical analysis with national and international theoretical frameworks to propose locally adaptable strategies, bridging the gap between global standards and regional realities. Implications: Strategic investment in human capital and quality processes enhances productivity and profitability, confirming that quality management is not merely a technical function but a core strategic asset for sustainable industrial development. Highlights: Strategic Importance: Implementing ISO 9001 boosts customer satisfaction (↑85%) and reduces defects (↓3%) a core metric for global competitiveness. Human Capital: Enterprises investing in staff training show lower turnover and fewer production stops, proving workforce quality directly impacts product quality. Economic Benefit: Spending on quality isn’t a cost, it’s an investment; higher quality spend leads to higher profits and significantly less product loss. Keywords: Quality Management, Building Materials, ISO 9001, TQM, Production Efficiency
Optimizing Warehouse Flow Through Lean Warehousing Method: Optimasi Aliran Gudang Melalui Metode Gudang Lean Raihana Azahra Rusadi; Sumiati Sumiati
Academia Open Vol. 10 No. 2 (2025): December
Publisher : Universitas Muhammadiyah Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21070/acopen.10.2025.11811

Abstract

General Background: Efficient warehouse management is crucial for sustaining competitiveness in manufacturing industries, where operational inefficiencies often lead to waste and reduced productivity. Specific Background: PT XYZ, a corrugated box manufacturer in Lamongan, faces persistent inefficiencies in its finished goods warehouse due to wasteful practices such as excessive searching, waiting, and product defects. Knowledge Gap: Despite the widespread application of Lean principles, limited studies have focused on integrating Lean Warehousing to systematically identify and eliminate multiple types of waste within Indonesian corrugated box manufacturing contexts. Aims: This research aims to analyze and reduce warehouse waste at PT XYZ using the Lean Warehousing approach to improve process flow and operational efficiency. Results: Through Value Stream Mapping, Process Activity Mapping, and Fishbone analysis, three critical wastes were identified—searching, defect, and waiting—addressed via FIFO implementation, inspection scheduling, and digitalized planning. The Process Cycle Efficiency (PCE) improved from 64.56% to 83.92%, with significant reductions in non-value-added time. Novelty: This study demonstrates a structured Lean Warehousing framework tailored for local manufacturing, integrating process mapping and digital enhancement. Implications: The findings provide a practical reference for industries seeking measurable waste reduction and productivity optimization through lean-based warehouse management strategies. Highlights: Identified key warehouse wastes: searching, defect, and waiting. Implemented Lean improvements raised PCE from 64.56% to 83.92%. Proposed digitalized planning and FIFO methods for sustained efficiency. Keywords: Lean Warehousing, Waste Reduction, Process Efficiency, Value Stream Mapping, Warehouse Optimization
Reforming Economic Mechanisms in Leading Strategic Enterprises of Uzbekistan: Reformasi Mekanisme Ekonomi di Perusahaan Strategis Utama Uzbekistan Umarova Irodakhon Nuraliyevna
Academia Open Vol. 10 No. 2 (2025): December
Publisher : Universitas Muhammadiyah Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21070/acopen.10.2025.11822

Abstract

General Background: Large enterprises in strategic sectors are pivotal for national economic growth, employment, and innovation. Specific Background: In Uzbekistan, despite ongoing reforms aimed at liberalization, privatization, and digital integration, these enterprises continue to rely on outdated, bureaucratic management models. Knowledge Gap: Existing global and local research offers valuable theoretical frameworks, but lacks practical applicability to Uzbekistan’s unique economic and sectoral characteristics, particularly in terms of digital readiness and human capital constraints. Aims: This study aims to develop a comprehensive and adaptable model for improving economic management mechanisms in dominant enterprises, integrating strategic planning, digital transformation, and resource optimization. Results: Empirical analysis revealed that sectors with advanced ERP and BI adoption, such as telecom and energy, achieved over 12% cost savings and up to 90% forecast accuracy. Conversely, sectors like agriculture and textiles lagged due to poor digital infrastructure. Novelty: The study combines benchmarking, sectoral data, and interdisciplinary insights to propose context-sensitive reforms, emphasizing digital systems integration, strategic flexibility, and corporate independence. Implications: The proposed model underscores the necessity of multidimensional reform-balancing economic efficiency, state policy alignment, and human capital development—to ensure sustainable, market-oriented enterprise transformation. Highlights: Modernization Imperative. Traditional bureaucratic management systems in large Uzbek enterprises are ineffective; intelligent, digital-compatible systems are urgently needed. Digital and Human Capacity Gaps. Digital transformation is uneven across sectors; lack of skilled personnel hinders ERP/BI implementation and financial planning. Policy and Responsibility Shift. Enterprise transformation should be aligned with national policy, emphasizing corporate independence, innovation, and social responsibility. Keywords: Economic Mechanisms, Strategic Enterprises, Digital Transformation, Corporate Governance, Human Capital
Local Wisdom-Based Discovery Learning on Students’ Higher-Order Thinking Skills: Pembelajaran Penemuan Berbasis Kearifan Lokal terhadap Keterampilan Berfikir Tingkat Tinggi Siswa Nur Saibah Tambunan; Syarifah Widya Ulfa
Academia Open Vol. 10 No. 2 (2025): December
Publisher : Universitas Muhammadiyah Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21070/acopen.10.2025.11824

Abstract

Background (General): In the 21st century, Higher Order Thinking Skills (HOTS) are crucial for fostering critical, creative, innovative, and independent learners, aligning with the Merdeka Curriculum’s vision. Background (Specific): Environmental change and conservation topics are particularly suited to HOTS development, especially when contextualized through local wisdom, yet such integration remains underexplored in Indonesian Madrasah Aliyah contexts. Knowledge Gap: Despite evidence supporting Discovery Learning and local wisdom separately, limited studies investigate their combined impact on HOTS in secondary education biology, particularly in schools rich in cultural-environmental practices. Aim: This study examines the effect of a local wisdom-based Discovery Learning model on Grade X students’ HOTS in environmental change and conservation at MAN 2 Model Medan. Results: Using a quasi-experimental pretest–posttest control group design, findings show a significant improvement in the experimental group’s HOTS (mean posttest = 87.7) compared to the control (67.3), with statistical tests confirming normality, homogeneity, and a significant effect (p < 0.001). Novelty: The study integrates culturally relevant local practices into a constructivist Discovery Learning framework to enhance HOTS in environmental education. Implications: These results suggest that embedding local wisdom within inquiry-based models can meaningfully boost analytical, evaluative, and creative thinking skills, offering a replicable strategy for culturally responsive science education.Highlight : Discovery Learning based on local wisdom effectively improves students' HOTS. The research data is normally distributed and homogeneous according to statistical tests. The average posttest score of the experimental class is higher than that of the control class. Keywords : Higher Order Thinking, Discovery Learning, Local Wisdom, Environment, Quasi-Experimental
Sero Positivity of Hepatitis C among Patients with β-Thalassemia Major in Karbala Center Akram Hamdi Muhsin; Ammer Muhssin Hadi; Aiub Bassim Naji; Dheyaa Aldeen Alkhateeb
Academia Open Vol. 10 No. 2 (2025): December
Publisher : Universitas Muhammadiyah Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21070/acopen.10.2025.11825

Abstract

Background: Hepatitis C virus is a major cause of post-transfusion hepatitis infection and remains a significant global health problem. Patients with thalassemia major are at high risk of HCV due to frequent blood transfusions from infected donors. Objective: To evaluate the sero positivity of HCV infection among patients aged 3 to 18 years with β-thalassemia major. Methods: A retrospective study was conducted on 254 patients (131 females, 123 males) attending the Thalassemia Center at Karbala Children's Hospital from August 2014 to March 2015. Ages ranged from 3 to 18 years. Serological viral markers for anti-HCV antibody were tested using enzyme linked immune sorbent assay. Results: Out of 254 patients, 123 (48.4%) were male and 131 (51.6%) were female. Seventeen (6.7%) were seropositive for HCV. Among patients <6 years, 1 (2.3%) was positive; in ages 6-12 years, 7 (5.3%) were positive; and above 12 years, 9 (11.5%) were infected. Blood transfusion frequency showed that 1 (2.2%) of 45 patients receiving <100 transfusions was positive, 6 (5.4%) of 111 receiving 101-200 transfusions, 6 (9.8%) of 61 receiving 201-300 transfusions, and 4 (10.8%) of 37 receiving >300 transfusions were positive. None of the 10 patients who had undergone splenectomy were infected, while 17 (7%) without splenectomy were infected. Among 59,886 volunteer blood donors in Karbala from 2012 to 2014, 54 (0.1%) were anti-HCV positive. Conclusion: Higher rates of HCV infection in older thalassemia patients with more transfusions highlight the importance of accurate blood screening techniques like PCR to prevent infections in thalassemia patients. Highlights: HCV infection increases with patient age and number of transfusions. Older thalassemia patients show higher seropositivity rates. Emphasizes the need for PCR screening to ensure safer transfusions. Keywords: Hepatitis C, Thalassemia Major, Blood Transfusion, Seropositivity, Pediatric Infection
Broadcasting Regulation Shift From Authoritarian Control To Digital Disparity: Pergeseran Regulasi Penyiaran dari Pengawasan Otoriter ke Ketimpangan Digital Yinta Syifaudiana Yulianti; M Tanzil Multazam
Academia Open Vol. 10 No. 2 (2025): December
Publisher : Universitas Muhammadiyah Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21070/acopen.10.2025.11826

Abstract

General Background: Broadcasting systems function as central institutions for disseminating information, shaping public discourse, and reflecting societal values within political and technological contexts. Specific Background: Indonesia’s broadcasting landscape has undergone major regulatory transformation from the New Order’s centralized control to the Reform era’s democratization, decentralization, and expansion of private and local media institutions. Knowledge Gap: Despite these transitions, existing legal frameworks have not kept pace with rapid digitalization, particularly regarding internet-based distribution and over-the-top platforms, resulting in unequal governance between conventional broadcasters and digital services. Aims: This study analyzes the evolution of broadcasting regulations from the New Order to the Reform period and examines their alignment with technological developments. Results: Findings indicate that the New Order employed strict state control to manage ideology and public opinion, whereas the Reform era introduced press freedom, the Network Station System, and Local Public Broadcasting Institutions, although implementation encountered obstacles such as media conglomerate dominance and regional infrastructure disparities. The rise of internet-based media shifted audiences toward digital platforms, while regulatory adaptation remained limited, producing gaps in oversight and accountability. Novelty: The study offers a comprehensive legal trajectory linking political transition, decentralization policy, and digital disruption within Indonesia’s broadcasting governance. Implications: The findings highlight the urgency of revising regulatory frameworks to ensure equitable supervision, legal certainty, and democratic media development in the digital environment. Highlights: State monopoly during the earlier political period restricted content diversity and public access to alternative viewpoints. Post-1998 policy reforms introduced network-based structures and locally oriented public institutions but faced structural barriers. Rapid migration of audiences to internet services created governance gaps between legacy broadcasters and online providers. Keywords:Broadcasting Regulation; Digital Broadcasting; Media Decentralization; Over-The-Top Platforms; Indonesia
Urban Heat Risks from Generator Use and Industrial Activity in Baghdad: Risiko Panas Urban Akibat Penggunaan Generator dan Aktivitas Industri di Baghdad Aqeel Lami
Academia Open Vol. 10 No. 2 (2025): December
Publisher : Universitas Muhammadiyah Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21070/acopen.10.2025.11827

Abstract

General Background: Rapid urbanization and energy demands in Baghdad have intensified thermal pollution, a critical yet often neglected environmental issue. Specific Background: The pervasive use of private generators and industrial activities in Iraqi cities contributes significantly to the urban heat island (UHI) phenomenon, with implications for public health and ecosystem stability. Knowledge Gap: Despite the growing severity of heat-related risks, there is limited scientific analysis of the spatial, environmental, and health dimensions of thermal pollution in Baghdad. Aims: This study evaluated the environmental and public health impacts of urban heat pollution, quantified generator-related thermal emissions, and assessed the efficacy of sustainable cooling interventions. Results: Field and satellite data revealed surface temperature increases of up to 5.5°C in high-density areas, with generator density strongly correlated with temperature rise (r = 0.84). Respiratory disease incidence rose by 38% in affected zones (r = 0.76), while environmental degradation included reduced dissolved oxygen (–39%), elevated soil salinity (+18%), and decreased soil moisture (–42%). Novelty: This study introduces a localized, evidence-based model demonstrating the effectiveness of green technologies, such as artificial lakes and urban farming, in reducing ambient temperatures by 2.4°C. Implications: Findings underscore the urgent need for integrative urban planning incorporating sustainable cooling strategies to mitigate heat stress and protect environmental and public health. Highlights: Thermal Hotspots Identified. Private generators in dense urban areas raise surface temperatures by up to 5.5°C, significantly contributing to the urban heat island effec. Health Impacts Quantified. Respiratory disease rates increased by up to 38% in high-heat areas, showing a strong correlation (r = 0.76) between heat and health issues. Solutions Proven Effective. Implementation of artificial lakes and green farms reduced local temperatures by 2.4°C and PM₂.₅ pollution by 19%, confirming the value of sustainable cooling strategies. Keywords: Heat Pollution, Urban Heat Island, Private Generators, Respiratory Health, Sustainable Cooling
Management of Double Impacted Teeth 22 and 23 Combination of Fixed Orthodontics and Surgical Exposure: Penatalaksanaan Impaksi Ganda Gigi 22 dan 23 Kombinasi Ortodontik Cekat dan Surgical Exposure Lila Muntadir; Ganendra Anugraha; Ervina Restiwulan Winoto; Eddy Heriyanto; Nur Masita Silviana
Academia Open Vol. 10 No. 1 (2025): June
Publisher : Universitas Muhammadiyah Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21070/acopen.10.2025.11828

Abstract

Background: Double impaction of two teeth in the same region specifically tooth 22 and tooth 23 is a rare condition that requires a combined treatment approach involving fixed orthodontics and surgical exposure. Fixed orthodontic treatment is essential to prepare space, guide tooth movement after surgical exposure, prevent root resorption, and correct overall malocclusion. Surgical exposure is performed to expose the tooth crown, preserve the alveolar bone, avoid root exposure, and facilitate the attachment of buttons and ligatures. Impacted teeth can affect the stomatognathic system, facial growth, and aesthetics. The maxillary incisors and canines play a critical role in occlusion, masticatory function, and facial aesthetics, thus requiring appropriate management. Objective: To describe the management of a double impaction case in the anterior left maxillary region of a 19-year-old female patient using a combined approach of fixed orthodontic and surgical treatment. Methods: The patient underwent fixed orthodontic treatment and sequential extraction of premolars 14 and 24 to create space for the eruption of the impacted teeth and to correct the midline before surgical exposure. Post-surgical exposure, orthodontic treatment was continued to guide both teeth into proper alignment within the dental arch. Results: Teeth 22 and 23 successfully erupted with good occlusion. The patient's masticatory function and facial aesthetics improved over a 2-year period following surgical exposure. Conclusion: Fixed orthodontic treatment combined with surgical exposure is an effective strategy for managing double impaction of anterior teeth in the left maxillary region, considering the position of the crowns, tooth inclination, and root apex morphology of the impacted teeth. Highlights: Double impaction of teeth 22 and 23 is rare and affects function and aesthetics. Combined surgical and orthodontic treatment effectively guided tooth eruption. Treatment restored occlusion, midline, and facial aesthetics over 2 years. Keywords: Anterior tooth double impaction, surgical exposure, fixed orthodontic treatment
Improving Fraction Learning Using Course Review Horay and Puzzle Media: Meningkatkan Pembelajaran Pecahan Menggunakan Ulasan Kursus Horay dan Media Puzzle Rada Umar; Zulqoidi R Habibie; Sundahry
Academia Open Vol. 10 No. 2 (2025): December
Publisher : Universitas Muhammadiyah Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21070/acopen.10.2025.11839

Abstract

General Background: Mathematics education is vital for developing students' critical and analytical thinking skills. Specific Background: However, traditional lecture-based instruction and lack of engaging media have resulted in low participation and poor learning outcomes, especially in topics like fractions. Knowledge Gap: Prior studies have evaluated the Course Review Horay model and concrete media separately, but few have investigated their integrated use in elementary settings. Aims: This study aimed to improve the learning process and outcomes of fourth-grade students on fractions through the integration of the Course Review Horay model with fraction puzzle media. Results: Conducted as a Classroom Action Research in two cycles with 16 students, the intervention led to a significant increase in active participation (from 12.5% to 62.5% categorized as “Very Good”) and mastery learning (from 60% to 81.25%), supported by a statistically significant t-test result (p = 0.032 < 0.05). Novelty: The combination of a collaborative, gamified model with tactile media offers a novel and engaging method for teaching abstract concepts. Implications: This integrated approach supports 21st-century learning goals and is a practical strategy for enhancing both engagement and achievement in primary mathematics education.Highlight : Model Course Review Horay's fraction puzzle helps increase student engagement and learning outcomes. Student engagement in the “Very Good” category rose from 0% to 62.5%. The average student score increased from 70.94 to 75.63 with a completion rate of 81.25%. Keywords : Student Engagement, Learning Outcomes, Mathematics Education, Course Review Horay Model, Fraction Puzzle Media
Abdul Fattah Abu Ghuddah's Thoughts on Role Models in Islamic Education Fajariah Panggabean; Ahmad Darlis
Academia Open Vol. 10 No. 2 (2025): December
Publisher : Universitas Muhammadiyah Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21070/acopen.10.2025.11841

Abstract

Background: Role modeling (uswah hasanah) is a foundational element in Islamic education, rooted in the prophetic tradition. Specific Background: Abdul Fattah Abu Ghuddah, a prominent Islamic scholar, extensively emphasized the significance of role models in the tarbiyah process. Knowledge Gap: However, scholarly analysis of his contributions to the conceptual framework of role modeling in education remains limited. Aim: This study aims to examine Abu Ghuddah’s thoughts on role modeling and its relevance to contemporary Islamic educational practices. Results: Through qualitative library research and content analysis of his primary works, the study reveals that Abu Ghuddah viewed exemplary behavior not merely as a pedagogical method but as the essence of Islamic education, exemplified by the Prophet Muhammad. He proposed practical steps for integrating role models into education, such as adherence to Qur’anic and prophetic directives, alignment with sharia, and consistency between speech and action. Novelty: The study offers a structured interpretation of Abu Ghuddah’s model of role modeling, positioning it as a moral-epistemological foundation for modern Islamic pedagogy. Implications: These findings suggest the need for educational institutions to embed role model values into curricula and school culture to reinforce ethical and spiritual development alongside academic instruction. Highlights: Highlights role modeling as the core of Islamic educational practice. Emphasizes consistency between words and actions in educators. Proposes integrating prophetic values into school culture and curriculum. Keywords: Abdul Fattah Abu Ghuddah, Role Modeling, Islamic Education, Uswah Hasanah, Tarbiyah

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