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All Journal AGRISAINTIFIKA Jurnal Ilmu-ilmu Pertanian JHCLS Journal of Research in Industrial Engineering and Management
Akbar, Adi
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Engineering Environmental Science Health Professions Industrial & Manufacturing Engineering Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Other

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Rubber (Latex) Cutting Process Considering the Cost of the Double Cut Alternative (DCA) Process in Human and Robot Collaboration Akbar, Adi; Ma'ruf, Anas
Journal of Research in Industrial Engineering and Management Vol 2 No 2 (2024): November 2024
Publisher : Program Studi Teknik Industri, Fakultas Teknologi Industri, Institut Teknologi Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61221/jriem.v2i2.41

Abstract

Technological developments allow human-robot collaboration resources to be carried out in the rubber (latex) cutting process in plantations. The human-robot collaboration activities are carried out simultaneously in each rubber tree but have different work tasks. Research regarding human-robot collaboration resource costs in the rubber (latex) cutting process activity is still minimal, so it is necessary to discuss and calculate the resource costs of human-robot collaboration by developing mathematical models. Research regarding the resource costs of human-robot collaboration in the rubber (latex) cutting process is still minimal, so discussion and calculations are needed with the development of mathematical models. Mathematical model development is not just a theoretical exercise. The practical goal is to minimize costs by considering human resources, robots, and human-robot collaboration. Through rigorous testing, we aim to minimize the cost of each resource. Test results show that human-robot collaboration resources can significantly influence cost minimization. Cost minimization is accomplished by programming an algorithm in optimization software. This program is used to make it easier to complete the optimal solution in terms of relatively fast time, which refers to the precedence diagram of the rubber (latex) cutting process.Based on the results of experimental data, the development of a mathematical model functions logically to solve resource placement problems, resulting in a minimum cost of IDR 1,618,234,564,595, total human resources of 1 person and robot resources of 1 unit.
EFFECTIVENESS TEST OF BETEL LEAF FLOUR EXTRACT (Piper betle L.) ON LARVAE OF Helicoverpa armigera Hubner Sutikno, Agus; Yudha, Pajri Ananta; Akbar, Adi
Agrisaintifika: Jurnal Ilmu-Ilmu Pertanian Vol. 9 No. 1 (2025): Agrisaintifika
Publisher : Universitas Veteran Bangun Nusantara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32585/ags.v9i1.5853

Abstract

Helicoverpa armigera is a major pest of maize crops and the losses caused by this pest are quite significant. Betel leaf is a part of plant that potential as botanical insecticide. The research aimed to examine several concentrations of betel leaf flour extract to control H. armigera. The research was conducted in Laboratory of Plant Pest, Faculty of Agriculture, Riau University from March to May 2023. Completely randomized design that consisted five treatments and four replicates was used as in the study. A completely randomized design (CRD) consisting of 5 treatments was used in this study. The treatments were flour extracts of betel leaf (0 g/l water, 25 g/l water, 50 g/l water, 75 g/l water and 100 g/l water). The result showed the concentration 75 g/l water was the effective treatment to control H. armigera larvae. The total mortality of H. armigera larvae in the treatment was 85% with early lethal time (LT) was 15.25 hours after application and lethal time  50 (LT 50) was 41 hours after application. Piper betel was a potential plant as botanical insecticide to control H. armigera.
Proliferation of Policies on Notarial Supervisory Institutions Based on Justice Akbar, Adi; Desi Kumalasari; Rizal Alamsyah Hadi Saputra; Yekti Mahardika; Uktamjon Zarifjon ugli Tukhtaev
Journal of Human Rights, Culture and Legal System Vol. 5 No. 3 (2025): Journal of Human Rights, Culture and Legal System
Publisher : Lembaga Contrarius Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53955/jhcls.v5i3.789

Abstract

The current regulatory framework governing notarial responsibility demonstrates normative inconsistency and insufficient grounding in principles of justice, particularly in fraud-related cases; meanwhile, law enforcement practices continue to impose disproportionate legal liability on notaries. This study examines the principle of justice in assessing the legal responsibility of notaries in the execution of authentic deeds, especially in cases involving allegations of malicious intent (mens rea). It further analyzes deficiencies within the existing regulatory framework and proposes a reconstruction of justice-based regulation to ensure balanced legal protection for both notaries and deed signatories. The study adopts a constructivist paradigm with a sociological juridical approach, supported by doctrinal analysis and theoretical review. It employs a descriptive-analytical research design and is grounded in theories of justice, legal system functionality, and progressive law. The findings demonstrate, first, significant normative disharmony between Article 1 Number 6 and Articles 66A and 67 of the Notary Law, particularly concerning overlapping authority between the Notary Supervisory Board and the Notary Honorary Council, which creates institutional ambiguity in supervision and guidance. Second, these regulatory inconsistencies lead to procedural neglect in law enforcement practice and generate legal uncertainty for notaries, particularly during investigation and prosecution processes. Third, the study proposes regulatory reconstruction through amendments to Articles 15, 16, and 17 to strengthen justice-oriented legal protection while maintaining professional accountability. This reconstruction is essential to ensure legal certainty, institutional coherence, professional independence, and balanced protection for all parties.
Co-Authors Agus Sutikno Desi Kumalasari Ma'ruf, Anas Pajri Ananta Yudha Rizal Alamsyah Hadi Saputra Uktamjon Zarifjon ugli Tukhtaev Yekti Mahardika