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Siber Journal of Advanced Multidisciplinary

SJAM
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Published by Siber Nusantara Publisher

ISSN : 29871018 EISSN : 29871069 DOI : https://doi.org/10.38035/sjam

Core Subject : Economy, Humanities, Health, Science, Social, Engineering,

Humanities Economics, Econometrics & Finance Engineering Health Professions Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology

Siber Journal of Advanced Multidisciplinary (SJAM) is a journal devoted to the publication of scientific articles published by Siber Nusantara Research and under the umbrella of the Yayasan Sinergi Inovasi Bersama (SIBER) and published 4 times a year, namely April, July, October, and January. SJAM as a scientific journal is expected to be able to show the wider community the wealth of knowledge covering various dimensions of life.

Arjuna Subject : Umum - Umum

Articles 122 Documents

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Analisis Keseimbangan (Equilibrium) Pasar Komoditas Cabai Keriting (Capsicum Annum L.) di Kecamatan Mesuji Makmur Menggunakan Teori Cobweb (Cobweb Teory) Ari Ardani; M. Aminullah; Andri Irawan; Aisah Aisah
Siber Journal of Advanced Multidisciplinary Vol. 4 No. 1 (2026): Siber Journal of Advanced Multidisciplinary (April - June 2026)
Publisher : Siber Nusantara Research & Yayasan Sinergi Inovasi Bersama (SIBER)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.38035/sjam.v4i1.836

Komoditas cabai keriting merupakan salah satu komoditas hortikultura strategis yang memiliki tingkat fluktuasi harga tinggi akibat adanya keterlambatan respons penawaran terhadap perubahan harga. Penelitian ini bertujuan untuk menganalisis keseimbangan pasar komoditas cabai keriting serta mengetahui tingkat kestabilan pasar di Kecamatan Mesuji Makmur dengan menggunakan teori cobweb. Penelitian ini menggunakan metode deskriptif kuantitatif dengan pendekatan analisis fungsi permintaan, fungsi penawaran, dan model cobweb. Data yang digunakan berupa data primer hasil wawancara dengan 10 pedagang cabai keriting serta data sekunder time series harga dan produksi cabai keriting tahun 2021–2025. Hasil penelitian menunjukkan bahwa fungsi permintaan cabai keriting di Kecamatan Mesuji Makmur adalah Qd = 102,4638 − 2,3078Pt, sedangkan fungsi penawaran adalah Qs = −156,1487 + 6,3769Pt-1. Berdasarkan hasil perhitungan, diperoleh harga keseimbangan pasar sebesar Rp29.777/kg dengan jumlah keseimbangan sebesar 33,74 ton. Analisis kestabilan pasar menunjukkan bahwa model cobweb yang terbentuk bersifat divergen, di mana nilai slope penawaran lebih besar dibandingkan slope permintaan, sehingga fluktuasi harga cenderung semakin besar dari waktu ke waktu. Kondisi ini menunjukkan bahwa pasar cabai keriting di Kecamatan Mesuji Makmur belum mencapai kestabilan secara alami dan memerlukan intervensi kebijakan untuk mengendalikan fluktuasi harga serta menjaga keseimbangan pasar.

Analisis Proyeksi Produksi Padi di Provinsi Sumatera Selatan Agung Wahyu Candra; Hariyono Hariyono; Didi Juhandi; Ary Eko Prastya Putra
Siber Journal of Advanced Multidisciplinary Vol. 4 No. 1 (2026): Siber Journal of Advanced Multidisciplinary (April - June 2026)
Publisher : Siber Nusantara Research & Yayasan Sinergi Inovasi Bersama (SIBER)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.38035/sjam.v4i1.852

Produksi padi merupakan komponen penting dalam mendukung ketahanan pangan sehingga diperlukan informasi mengenai kecenderungan produksi pada masa mendatang sebagai dasar pengambilan kebijakan. Penelitian ini bertujuan untuk mengetahui proyeksi produksi padi di Provinsi Sumatera Selatan pada tahun 2026 serta mengukur tingkat akurasi hasil proyeksi yang dihasilkan. Objek penelitian adalah produksi padi di Provinsi Sumatera Selatan dengan menggunakan data sekunder deret waktu yang diperoleh dari Badan Pusat Statistik selama periode 2021–2025. Penelitian menggunakan pendekatan kuantitatif dengan metode Exponential Smoothing dan Regresi Linear Sederhana. Tahapan analisis meliputi pengumpulan data historis, pengolahan data menggunakan kedua metode, serta evaluasi tingkat kesalahan menggunakan Mean Absolute Percentage Error. Hasil penelitian menunjukkan bahwa produksi padi di Provinsi Sumatera Selatan memiliki kecenderungan meningkat dari tahun ke tahun dengan pola yang berfluktuasi pada setiap periode. Metode peramalan yang digunakan mampu menghasilkan proyeksi produksi padi tahun 2026 dengan tingkat akurasi yang baik berdasarkan nilai Mean Absolute Percentage Error. Dengan demikian, hasil penelitian ini dapat digunakan sebagai bahan pertimbangan dalam perencanaan dan pengambilan kebijakan pembangunan sektor pertanian serta mendukung upaya peningkatan ketahanan pangan di Provinsi Sumatera Selatan.

Peramalan Harga Komoditas Padi (GKG) dengan Metode ARIMA di Provinsi Sumatera Selatan Anisa Anggraini; Ary Eko Prastya Putra; Andri Irawan; Iman Sulaiman
Siber Journal of Advanced Multidisciplinary Vol. 4 No. 1 (2026): Siber Journal of Advanced Multidisciplinary (April - June 2026)
Publisher : Siber Nusantara Research & Yayasan Sinergi Inovasi Bersama (SIBER)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.38035/sjam.v4i1.856

Padi (Oryza sativa L.) merupakan komoditas pertanian yang paling strategis di Indonesia, berfungsi sebagai makanan pokok bagi sebagian besar penduduk dan berperan penting dalam ketahanan pangan nasional. Provinsi Sumatera Selatan termasuk daerah penghasil padi terbesar di Pulau Sumatera, sehingga peramalan harga gabah kering giling (GKG) secara akurat menjadi sangat penting bagi petani, pelaku pasar, dan pembuat kebijakan. Penelitian ini bertujuan untuk: (1) mengetahui hasil peramalan harga komoditas padi (GKG) dengan metode ARIMA di Provinsi Sumatera Selatan pada tahun 2026 berdasarkan data historis dari tahun 2021–2025; dan (2) mengevaluasi tingkat akurasi model peramalan ARIMA. Penelitian menggunakan pendekatan kuantitatif dengan data deret waktu sekunder yang diperoleh dari Badan Pusat Statistik (BPS) Provinsi Sumatera Selatan dan Badan Pangan Nasional. Pengolahan dan analisis data dilakukan menggunakan perangkat lunak SPSS mengikuti prosedur Box-Jenkins yang mencakup plot data, uji stasioneritas melalui analisis ACF dan PACF, differencing orde kedua, identifikasi model, estimasi parameter, serta diagnostic checking. Hasil penelitian menunjukkan bahwa ARIMA (2,2,0) merupakan model terbaik dengan kedua parameter autoregresif AR(1) dan AR(2) yang signifikan secara statistik. Hasil peramalan menunjukkan tren peningkatan harga padi (GKG) yang konsisten sepanjang tahun 2026, dari Rp8.239 per kilogram pada Januari hingga Rp10.890 per kilogram pada Desember. Model menunjukkan akurasi sangat tinggi dengan nilai MAPE sebesar 5,808%, R-squared sebesar 0,742, RMSE sebesar 0,548, serta nilai p-value uji Ljung-Box sebesar 0,326 yang mengonfirmasi residual memenuhi asumsi white noise.

Business Feasibility Study of the Indonesia-China High-Speed Rail Project Yoeyong Rahsel; Andino Maseleno
Siber Journal of Advanced Multidisciplinary Vol. 3 No. 3 (2025): (SJAM) Siber Journal of Advanced Multidisciplinary (October - December 2025)
Publisher : Siber Nusantara Research & Yayasan Sinergi Inovasi Bersama (SIBER)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.38035/sjam.v3i3.883

The Indonesia-China High-Speed Rail Project is a strategic national infrastructure project operated by PT KCIC, a joint venture between a consortium of Indonesian state-owned enterprises (PSBI) and China Railway International. Although it promises modern connectivity with a travel time of 40 minutes, the project faces a major challenge in the form of cost overruns from the initial estimate to approximately US$7.27 billion (around Rp118.37 trillion). This study aims to evaluate the business viability of a post-operational project, focusing on financial aspects (profitability), economic aspects (social impact), and an analysis of investment risks resulting from construction delays and debt burdens.

Community Empowerment in Wonodadi Village, Pringsewu Yoeyong Rahsel; Andino Maseleno
Siber Journal of Advanced Multidisciplinary Vol. 3 No. 3 (2025): (SJAM) Siber Journal of Advanced Multidisciplinary (October - December 2025)
Publisher : Siber Nusantara Research & Yayasan Sinergi Inovasi Bersama (SIBER)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.38035/sjam.v3i3.884

Community empowerment systems play a vital role in advancing human resources in Wonodadi Village. In practice, many residents of Wonodadi Village often face obstacles when attempting to improve their skills to increase family income. Therefore, this community service activity aims to transfer knowledge and self-improvement techniques to the community, both through the enhancement of existing businesses and educational guidance for students in Wonodadi Village. The methods employed include delivering instructional materials and practical application of existing business strategies—such as the use of social media—as well as providing educational guidance and introducing computer technology to students in Wonodadi Village. The results of the activity indicate that prior to this PKM, the community of Wonodadi Village had limited understanding of business strategies involving social media, and the students of Wonodadi Village were unfamiliar with computer technology. However, following the activity, it was observed that the community of Wonodadi Village began to try implementing new strategies in their businesses, particularly through social media. Likewise, students in Wonodadi Village now have a better understanding of computer technology, particularly the functions of computers. Thus, this PKM activity is expected to play a significant positive role in empowering the community of Wonodadi Village, especially in helping them improve their businesses, while in the field of education, students have gained better knowledge to shape their future in achieving their aspirations, particularly in the field of computer technology.

The Role of Marketing Management for Society Yoeyong Rahsel; Miswan Gumanti; Ayu Lidia; Andino Maseleno
Siber Journal of Advanced Multidisciplinary Vol. 3 No. 4 (2026): (SJAM) Siber Journal of Advanced Multidisciplinary (January - March 2026)
Publisher : Siber Nusantara Research & Yayasan Sinergi Inovasi Bersama (SIBER)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.38035/sjam.v3i4.885

Marketing is a crucial factor in a company's development. Effective marketing is achieved through product, price, place, and promotion. Lack of understanding of changing or dynamic consumer tastes, as well as ineffective marketing strategies, will negatively impact target market achievement. The objective of this research is to understand the role of marketing in society. The research method employed is a literature study. In accordance with the research focus, various literature sources, books, and other information sources were obtained to obtain data on the role of marketing in society and organizations. From a product perspective, the desired product is one that meets their needs, is high-quality, has an attractive design, is environmentally friendly, and is easily remembered. From a price perspective, the public desires a price that matches the quality, is affordable for all levels of society, and is competitive. From a place perspective, the public wants the product to be purchased to be easily available, accessible, and has a limited reach. From a promotional perspective, the public desires marketing to be carried out through methods such as door-to-door promotion, online marketing, and personal selling.

Analisis Nilai Tambah Pengolahan Jerami Menjadi Silase di Wilayah OKU Timur Sumatra Selatan Andrianus Hergianto; Hariyono Hariyono; M. Hafiz Azhad; Muridin Muridin
Siber Journal of Advanced Multidisciplinary Vol. 4 No. 1 (2026): Siber Journal of Advanced Multidisciplinary (April - June 2026)
Publisher : Siber Nusantara Research & Yayasan Sinergi Inovasi Bersama (SIBER)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.38035/sjam.v4i1.889

Jerami padi merupakan salah satu limbah biomassa pertanian paling melimpah di Desa Jaya Mulya, Kabupaten OKU Timur, Sumatra Selatan. Meskipun potensinya besar, pemanfaatan limbah ini sebagai pakan ternak masih belum optimal dan cenderung di bakar, sehingga menimbulkan pencemaran lingkungan. Penelitian ini bertujuan untuk mengetahui proses teknis pengelolaan jerami menjadi silase dan menghitung nilai tambah ekonomi yang dihasilkan dari transformasi limbah tersebut menjadi pakan ternak berkualitas. Pengolahan jerami padi menjadi silase terbukti efektif meningkatkan nilai guna limbah pertanian dan memberikan keuntungan finansial nyata bagi peternak. Keberhasilan usaha dan optimalisasi nilai tambah ini sangat dipengaruhi oleh skala produksi yang memadai, efisiensi biaya input, dan penetapan harga jual produk di pasar.

Governance Readiness for Decentralised Waste Management: A Five-Pillar Assessment of the Integrated Waste Processing Unit (IWPU) Model in Kabupaten Bogor, Indonesia Arraisya Rohasyah; Valid Hasyimi
Siber Journal of Advanced Multidisciplinary Vol. 4 No. 1 (2026): Siber Journal of Advanced Multidisciplinary (April - June 2026)
Publisher : Siber Nusantara Research & Yayasan Sinergi Inovasi Bersama (SIBER)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.38035/sjam.v4i1.891

Decentralised waste management is a critical upstream complement to Indonesia's centralised Waste-to-Energy agenda under Presidential Regulation No. 109/2025. Yet the operational failure rate of existing community-based waste facilities exceeds 40%, indicating that governance conditions are the primary determinant of sustainability. This study assesses the governance readiness of the Integrated Waste Processing Unit (IWPU) model in Kabupaten Bogor using a five-pillar framework adapted from the Integrated Sustainable Waste Management (ISWM) approach. The five pillars assessed are: Social-Cultural, Financing, Technical Operations, Institutional, and Regulatory. Drawing on primary data from expert forums and a national workshop (March 2026), each pillar is evaluated as Ready, Partially Ready, or Not Ready. All five pillars are rated Partially Ready, indicating that foundational conditions exist but critical operational mechanisms have not yet been established. Integrated with financial feasibility analysis (NPV IDR 7.58 billion, IRR 17.9%), findings position Kabupaten Bogor in a Conditional Investment position. Tipping fee formalisation and inter-agency waste supply contracting are identified as the highest-priority pre-investment actions.

Enhancing Efficiency in Traditional Travel Agencies: The Implementation of Blockchain Technology at Astrindo Satrya Kharisma Mohamad Rifki Dimas Putra; Isti Raafaldini Mirzanti
Siber Journal of Advanced Multidisciplinary Vol. 4 No. 1 (2026): Siber Journal of Advanced Multidisciplinary (April - June 2026)
Publisher : Siber Nusantara Research & Yayasan Sinergi Inovasi Bersama (SIBER)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.38035/sjam.v4i1.907

Traditional B2B travel agencies in emerging markets continue to rely on manual, intermediary-heavy workflows despite increasing digitalization in the tourism sector. This study examines how blockchain technology can address operational inefficiencies at Astrindo Satrya Kharisma, an Indonesian travel agency specializing in group tours and MICE services. Using a qualitative case-study approach, data were collected through semi-structured interviews with the Operational Manager and a corporate client, supported by internal document analysis. A fishbone (Ishikawa) analysis identified the root causes of inefficiencies, while Rashideh’s (2020) blockchain disintermediation framework was used to evaluate the relevance of five blockchain features: decentralization, trust, security, cost reduction, and speed. The findings reveal that Astrindo’s operational challenges stem primarily from low traceability, reflected in limited real-time transaction visibility, inconsistent stakeholder communication, and repetitive administrative processes. To address these issues, a four-phase, twelve-month private blockchain implementation roadmap is proposed, beginning with a pilot involving selected vendors and client accounts before scaling to smart-contract automation of booking confirmation, payment verification, and document management. The study demonstrates that blockchain can function as a structural mechanism for improving traceability and coordination across fragmented B2B travel service chains.

Application of Engineering Beverage Menu in Driving Guest Drink Purchase Decisions at Hotel Restaurants Dolly Jamanda Putra; Lise Asnur; Hafiz Renaldi
Siber Journal of Advanced Multidisciplinary Vol. 4 No. 2 (2026): Siber Journal of Advanced Multidisciplinary (July - September 2026)
Publisher : Siber Nusantara Research & Yayasan Sinergi Inovasi Bersama (SIBER)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.38035/sjam.v4i2.914

This research is motivated by the tendency of menu engineering studies that still place menus as managerial instruments to assess popularity, profitability, and sales contribution. In fact, in hotel restaurants, the drink menu also functions as a communication medium that helps guests read information, compare alternatives, and determine purchases. This study aims to analyze the influence of the application of the engineering beverage menu on the decision to purchase guest drinks at Wood 1820 Yuan Garden Restaurant, Hotel Pasar Baru, Jakarta. The study uses a quantitative approach with a causal associative design. The sample consisted of 99 guests who had bought a drink and were selected through purposive sampling. Data was collected using a Likert scale questionnaire containing 24 statements. The variables of the beverage engineering menu are measured through the display of the menu, clarity of information, product description, variety of drinks, placement of superior menus, price suitability, and ease of choice. Purchase decision variables are measured through product choice, belief in the restaurant, choice of place of purchase, time of purchase, and number of purchases. The data were analyzed using descriptive statistics, validity tests, reliability, regression prerequisite tests, and simple linear regression. The results showed that the implementation of the engineering beverage menu was in the good category with an average of 3,447, while the decision to purchase guest drinks was in the good category with an average of 3,464. The regression results showed a regression coefficient of 0.707, a significance of less than 0.001, and a determination coefficient of 0.439. These findings confirm that beverage engineering menus explain 43.90% of variation in purchasing decisions and act as a menu communication strategy that influences guest purchasing behavior.

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Contact Name
Siber Publisher

Contact Email
siberpublisher.info@gmail.com

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+6281188062006

Journal Mail Official
siberpublisher.info@gmail.com

Editorial Address
Jalan Marina Indah Raya No. 1 Pantai Indah Kapuk, Kamal Muara, Penjaringan, Jakarta Utara, Indonesia

Location
Kota adm. jakarta utara,

Dki jakarta

INDONESIA