Garuda - Garba Rujukan Digital

A Web-Based Boarding Management Application Design Maulana, Muhamad Anggi; Syaifudin; Sari, Syandra; Najih, Muhammad
Intelmatics Vol. 4 No. 1 (2024): Januari-Juni
Publisher : Penerbitan Universitas Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25105/itm.v4i1.17649

In Indonesia, the rental business of temporary accommodations or boarding houses ('kost') has significantly grown due to the influx of individuals from various cities or regions seeking temporary residence for educational pursuits, work, entrepreneurship, or marriage. Boarding house owners often manage not just one or two rooms but can have dozens or even hundreds of rooms. This extensive scale makes it challenging for boarding house owners to efficiently handle payment data, accurately record information, and report room damages using conventional methods. To address these challenges, an application was developed to streamline data management for boarding house owners, enabling them to efficiently manage their businesses. The data collection methods employed for developing this application included observation, interviews, and literature review, following the waterfall model for software development. The obtained results from this application development facilitate better service management for boarding house owners, enhancing cost and time efficiency while improving the quantity and quality of managed information.

Statistical Analysis for waste generation Prediction based on the Population Growth in Tangerang: An environmental Perspective Utami, Ika Wahyu; Najih, Muhammad; Putri, Larasati Rizky; Su'udi, Bambang Cholis
Sainsmat : Jurnal Ilmiah Ilmu Pengetahuan Alam Vol 13, No 1 (2024): Maret
Publisher : Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Negeri Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35580/sainsmat131596652024

Tangerang is counted among Indonesia's fastest-growing industries and population since it is located near the capital. At the current rate of population growth, the population by 2035 is expected to reach more than 2 million by appliying the geometric method. Rapid population growth has severe environmental damage. A simple linear regression calculation was applied to predict the Tangerang waste generation and it is expected to grow to 1,57 million tonnes by 2035. The Pearson's correlation was used to examine the impact of population growth in Tangerang on waste generation. Overall, there is a positive correlation between population growth and waste generation. The increase in the amount of waste can affect the formation of leachate. Rawa Kucing is the main Tangerang landfill that implements an open dumping system in its waste management. One of the negative impacts of the open dumping system is the potential for leachate generation. This study performed a simple calculation of leachate volume to illustrate leachate generation in Rawa Kucing. The more leachate produced, the greater the level of contamination since it contains highly toxic components, and it will escape from the Rawa Kucing landfill, contaminating the groundwater, potentially polluting the environment and harming human health.

Statistical Analysis for waste generation Prediction based on the Population Growth in Tangerang: An environmental Perspective Utami, Ika Wahyu; Najih, Muhammad; Putri, Larasati Rizky; Su'udi, Bambang Cholis
Sainsmat : Jurnal Ilmiah Ilmu Pengetahuan Alam Vol 13, No 1 (2024): Maret
Publisher : Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Negeri Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35580/sainsmat131596652024

Tangerang is counted among Indonesia's fastest-growing industries and population since it is located near the capital. At the current rate of population growth, the population by 2035 is expected to reach more than 2 million by appliying the geometric method. Rapid population growth has severe environmental damage. A simple linear regression calculation was applied to predict the Tangerang waste generation and it is expected to grow to 1,57 million tonnes by 2035. The Pearson's correlation was used to examine the impact of population growth in Tangerang on waste generation. Overall, there is a positive correlation between population growth and waste generation. The increase in the amount of waste can affect the formation of leachate. Rawa Kucing is the main Tangerang landfill that implements an open dumping system in its waste management. One of the negative impacts of the open dumping system is the potential for leachate generation. This study performed a simple calculation of leachate volume to illustrate leachate generation in Rawa Kucing. The more leachate produced, the greater the level of contamination since it contains highly toxic components, and it will escape from the Rawa Kucing landfill, contaminating the groundwater, potentially polluting the environment and harming human health.

Government Digital Communication Model in Corporate Social Responsibility Programs (Study in Gunung Kidul, Yogyakarta-Indonesia) Fajri, Choirul; Najih, Muhammad; Longani, Kirti Dang; Novianto, Fiftin; Kusuma, Alan
Komunikator Vol. 16 No. 2 (2024)
Publisher : Universitas Muhammadiyah Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18196/jkm.23765

This research is a qualitative case study examining government digital communication in the implementation of Corporate Social Responsibility (CSR) programs in Gunung Kidul, Yogyakarta. Many companies have implemented CSR programs in Gunung Kidul, capitalizing on the area’s substantial tourism potential. However, the Regional Government, through the Regional Development Planning Agency (BAPPEDA), has yet to maximize its monitoring and evaluation of these programs, as it currently relies on conventional approaches. The purpose of this study is to identify a government digital communication model for CSR implementation, with a focus on the tourism sector. This model is developed from Werner’s concept of digital communication, incorporating cyberspace, virtual communities, interactivity, and multimedia. Few studies have explored a digital-based communication model for CSR; thus, this research aims to address that gap. By adopting this model, stakeholders can collaborate more effectively to enhance CSR efforts in Gunung Kidul’s tourism sector.

Pelatihan Peningkatan Kemampuan Memori Otak dan Digitalisasi Pembelajaran Sains dengan Pemanfaatan Media Pembelajaran Interaktif: ThingLink Utami, Ika Wahyu; Suudi, Bambang Cholis; Putri, Larasati Rizky; Farhan, Ahmad; Najih, Muhammad; Mustafidan, Ahmad Roqy; Ismail, Muhammad Luthfi
Abdimas Universal Vol. 7 No. 1 (2025): April
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat Universitas Balikpapan (LPPM UNIBA)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36277/abdimasuniversal.v7i1.513

The digital era has brought major changes to the education, including Science learning at the junior high school level. However, science learning at the junior high school level still needs several challenges, such as a lack of variety in learning media, low interest in learning science, and limited students' ability to understand science concepts. Based on these problems, the Physics Laboratory of Universitas Trisakti held a Community Service (PkM) activity in collaboration with MGMP IPA of Tangerang. Service activities are carried out in the form of training for science teachers with training materials to improve brain memory abilities and training on the digitalization of science learning with ThingLink interactive media. Teachers are often faced with various challenges in teaching, including the complexity of science material, the rapid development of science and the high workload of teachers. Training to improve brain memory abilities can help improve teachers' ability to remember information, focus and concentrate. Furthermore, training on digitizing science learning using ThingLink is considered important to carry out. ThingLink is a digital platform that allows the creation of interactive science learning content, simulations and virtual experiments that are interesting and easy for students to understand. This PkM activity can increase teacher competency and professionalism in teaching, so that it can improve the quality of science learning in the classroom. This training can be carried out sustainably by collaborating with more educational partners.

Leachate Distribution and Assessment of Groundwater Quality: A Case Study of Rawa Kucing Landfill, Tangerang Utami, Ika Wahyu; Najih, Muhammad; Putri, Larasati Rizky; Suudi, Bambang Cholis
Jurnal Pamator : Jurnal Ilmiah Universitas Trunojoyo Vol 17, No 1: January - March 2024
Publisher : LPPM Universitas Trunojoyo Madura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21107/pamator.v17i1.22650

The self-potential (SP) method investigated leachate distribution near Rawa Kucing. Rawa Kucing is the main landfill in Tangerang that burned almost the entire area. A total of 78 SP data points were scattered throughout the study area. The SP values range from -20 to 16 millivolts, dominated by negative values attributed to electrokinetic processes. The results suggest that a highly conductive zone in the study area may have been caused by high contamination from leachate. The possible direction of leachate flow is towards the Cisadane stream, located west of the landfill. On the other hand, a quantitative interpretation of SP was conducted for two profiles, AA’ and BB’. The result shows that the vertical spreading of leachate was found at a depth of h 6,59 and 3,53 meters and H 8,10 and 4,34 meters for AA' and BB', respectively, with an angle of 28,810. Additionally, groundwater samples were collected from four sites near the landfill to assess groundwater quality using physical and chemical analysis. Based on the Indonesian Ministry of Health Regulation, most parameters indicated low contamination. Statistical analysis revealed that the groundwater near the landfill was worthy of consumption. Based on the results, rainfall during the study significantly reduced the concentrations of contaminants in leachate due to dilution.

Brain Tumor Detection System Based on Convolutional Neural Network Febrianto, Nanang Dwi; Mardianto, Is; Rochman, Abdul; Najih, Muhammad
Intelmatics Vol. 5 No. 1 (2025): January-June
Publisher : Penerbitan Universitas Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25105/v5i1.22135

Early detection of brain tumours is essential to improve the effectiveness of treatment. This study develops a Convolutional Neural Network (CNN) model to detect brain tumours from MRI images. Using a dataset of 4410 images, the model was trained and tested with several CNN architectures, such as EfficientNetB0, InceptionNetV3, ResNet, MobileNet, VGG16, Model 1. Results showed that the best model achieved 97.8% accuracy, thus being able to predict brain tumours with a high degree of reliability. These findings support the application of CNNs in medical detection systems to assist doctors in faster and more accurate diagnosis.

Pelatihan Pengendalian Bahaya Fisik dan Mekanis pada Pengolahan Sampah di Bank Sampah Induk (BSI) Rumah Harum Kota Depok Utami, Ika Wahyu; Safitri, Dian Mardi; Putri, Larasati Rizki; Najih, Muhammad; Suudi, Bambang Cholis
Abdimas Galuh Vol 7, No 2 (2025): September 2025
Publisher : Universitas Galuh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25157/ag.v7i2.20551

Kegiatan pengolahan sampah di tingkat komunitas memiliki risiko keselamatan kerja yang tinggi, khususnya bahaya fisik dan mekanis. Namun, aspek ini sering diabaikan dalam pelatihan keselamatan. Kegiatan Pengabdian kepada Masyarakat ini bertujuan untuk meningkatkan pemahaman dan keterampilan pekerja dalam mengenali dan mengendalikan bahaya fisik serta mekanis di lingkungan Bank Sampah Induk (BSI) Rumah Harum Kota Depok. Pelatihan dilaksanakan secara edukatif dan partisipatif, dengan melibatkan tujuh peserta yang merupakan perwakilan inti dari tim operasional mitra. Materi pelatihan mencakup definisi bahaya fisik dan mekanis, teknik identifikasi dan analisis risiko, strategi pengendalian, serta penggunaan APD. Evaluasi dilakukan menggunakan pre-test dan post-test, serta kuesioner akhir pelatihan. Hasil pre-test menunjukkan rata-rata skor 65,71 dan meningkat menjadi 74,29 pada post-test. Meskipun terdapat penurunan skor pada sebagian peserta, pelatihan tetap menunjukkan tren peningkatan pemahaman secara umum. Kuesioner menunjukkan bahwa seluruh peserta menilai materi relevan, penyampaian efektif dan pelatihan bermanfaat. Seluruh responden juga menyatakan perlunya pendampingan lanjutan serta mengharapkan topik lanjutan seperti penyusunan SOP keselamatan kerja. Hasil ini menunjukkan bahwa pelatihan mampu meningkatkan kesadaran terhadap pentingnya keselamatan kerja dan membuka peluang penguatan praktik K3 di sektor pengelolaan sampah. Ke depan, pelatihan lanjutan dan pendampingan teknis sangat direkomendasikan agar dampak pelatihan lebih optimal dan berkelanjutan.

Analisis Percepatan Gravitasi Lokal melalui Pendekatan Eksperimental dan Simulatif pada Bandul Fisis Utami, Ika Wahyu; Sulistiyono, Taufiq Yudi; Suudi, Bambang Cholis; Najih, Muhammad; Putri, Larasati Rizky; Mayusda, Idriwal; Rafael, Garren Benaya
JST (Jurnal Sains dan Teknologi) Vol. 14 No. 1 (2025): April
Publisher : Universitas Pendidikan Ganesha

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23887/jstundiksha.v14i1.90244

Accuracy in measuring local gravitational acceleration remains a challenge due to the limitations of conventional experimental approaches and the influence of dynamic system conditions. Furthermore, few studies have integrated numerical simulation methods to enhance precision in the context of nonlinear oscillatory motion. This study aims to conduct an in-depth analysis of the dynamics of a damped physical pendulum and to evaluate the accuracy of local gravitational acceleration measurements by integrating experimental methods with numerical simulations. This is a quantitative study employing a quasi-experimental design. The research subject consisted of a single set of physical pendulum apparatus in the form of a homogeneous metal rod, with no human participants involved. Data were collected by measuring the oscillation period using a high-accuracy digital stopwatch and the effective length using a roll meter. Instruments were validated based on classical physics principles and result consistency tests. Numerical simulations were performed using the fourth-order Runge-Kutta method (ODE45). Data analysis included quantitative descriptive analysis, comparative analysis, relative error evaluation, and uncertainty identification. The results showed that the experimental gravitational acceleration value closely approximated the theoretical value, with a low relative error. It is concluded that integrating experimental and simulation approaches provides a more comprehensive understanding of pendulum dynamics and improves the accuracy of local gravity measurements. The findings imply the need for more complex dynamic models to support precision measurements in various fields such as geophysics, engineering, and education.

Sosialisasi Implementasi Kurikulum Computational Thinking pada Guru SD dan Pengaruhnya Terhadap Perolehan Score Tantangan Bebras: Socialization of The Implementation of The Computational Thinking Curriculum Among Elementary School Teachers and Its Influence on Obtaining Bebras Challenge Scores Solihah, Binti; Najih, Muhammad; Mardianto, Is; Ariwibowo, Anung B
Jurnal Abdimas Le Mujtamak Vol. 4 No. 1 (2024): Le MUJTAMAK 2024: Januari - Juni
Publisher : Universitas Islam Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46257/jal.v4i1.941

Computational Thinking merupakan kemampuan berpikir High Order Thinking untuk menyelesaikan masalah kompleks. Kemampuan ini perlu dilatih sejak usia sekolah (K-12) dan dapat diintegrasikan dengan berbagai mata pelajaran seperti matematika, IPA, IPS, bahkan seni musik. Biro Bebras Trisakti sebagai salah satu biro dari Bebras Indonesia ikut serta mensosialisasikan penerapan CT di sekolah dasar dan menengah melalui kegiatan webinar dan tantangan Bebras. Webinar bertujuan untuk mensosialisasikan bagaimana mengintegrasikan CT ke mata pelajaran di tingkat dasar dan menengah. Sedangkan Tantangan Bebras merupakan kegiatan tahunan yang diselenggarakan Bebras untuk menguji kemampuan CT pada anak-anak di level dasar dan menengah. Pada 2023 Biro Trisakti melaksanakan webinar sosialisasi kurikulum CT dan menyelenggarakan tantangan Bebras. Webinar diikuti oleh 6 orang guru. Tantangan Bebras 2023 diikuti oleh 170 siswa dari SD sd SMA dan 21 % dari peserta mendapatkan skor diatas 50.

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