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Briliant: Jurnal Riset dan Konseptual
Published by Universitas Nahdlatul Ulama Blitar
ISSN : 25414216     EISSN : 25414224     DOI : http://dx.doi.org/10.28926/briliant.v7i2.973
Core Subject : Science, Education, Engineering,
Civil Engineering, Building, Construction & Architecture Computer Science & IT Education
BRILIANT : Jurnal Riset dan Konseptual published by Universitas Nahdlatul Ulama Blitar. Published four times a year in print and online. Journals are published every three months, in February, May, August and November. The article topics contained in this journal are the results of research and thinking about the development of education and learning, Science and Technology.
Arjuna Subject : -
Articles 803 Documents
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Pengaruh Attitude Toward Behavior dan Change Mechanisms terhadap Pengambilan Keputusan Vasektomi pada Suami Choiriyah, Lilik; Yunitasari, Esti; Krisnana, Ilya; Nurmalaningsih, Ucik
BRILIANT: Jurnal Riset dan Konseptual Vol 11 No 1 (2026): Volume 11 Nomor 1, Februari 2026
Publisher : Universitas Nahdlatul Ulama Blitar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.28926/briliant.v11i1.2212

Abstract

Decision making on contraceptive use is actually not only the responsibility of women, but also a shared responsibility with their husbands. It is important to understand the factors that influence husbands' decisions in using contraceptives, one of which is attitude towards behavior. The mechanism of attitude change is also very important to understand, because it can affect changes in husbands' contraceptive decision making. This study aims to identify how attitudes towards contraception affect the husband's decision-making process, as well as the role of attitude change mechanisms in shaping their involvement in family planning choices. This study is a quantitative study with a cross-sectional approach. The sampling technique was carried out randomly with multistage random sampling. The sample in this study was calculated based on the Yamahen formula so that 110 respondents were obtained. The results of this study indicate that husbands' attitudes towards contraception significantly influence their decision-making process regarding contraceptive use. Positive attitudes towards contraception are associated with greater involvement in decision making and a higher likelihood of using contraception. Attitude change mechanisms, such as information from health care providers and discussions with partners, play an important role in changing husbands' perspectives, which ultimately lead to more supportive decisions regarding family planning. These findings highlight the importance of targeting attitude change in interventions aimed at increasing community participation in conservation decision-making.
STUDI KINETIKA REAKSI EKSTRAKSI DOLOMIT DENGAN ASAM FOSFAT Fahturrozak, Ahmad; Adzani, Mayla Fayzza; Sumada, Ketut
BRILIANT: Jurnal Riset dan Konseptual Vol 11 No 1 (2026): Volume 11 Nomor 1, Februari 2026
Publisher : Universitas Nahdlatul Ulama Blitar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.28926/briliant.v11i1.2218

Abstract

Dolomite (CaMg(CO₃)₂) is generally white but can also appear gray or bluish, with magnesium (Mg) and calcium (Ca) as its main composition.. This study analyzes the kinetics and conversion of dolomite extraction using phosphoric acid through a solid-liquid extraction method. Initially, dolomite was calcined at 850°C for 240 minutes and then sieved. A total of 40 grams of the sieved sample was extracted with 250 mL of 2M phosphoric acid at varying temperatures (30, 45, 60, 75, and 90°C) and extraction times (60, 90, 120, 150, and 180 minutes). The extracted solution was filtered and analyzed using AAS to determine the extracted calcium and magnesium content. The highest conversion was achieved at 90°C for 180 minutes, with calcium extraction at 65.67% and magnesium at 65.98%, with the ash layer as the controlling step. The activation energy, based on the Arrhenius equation, was 27,745.49 J/mol·K for calcium and 19,120.5 J/mol·K for magnesium, with reaction rate constants of K=9.8149 e^(3336.6/T) for calcium and K=1.8063 e^(2299.8/T) for magnesium. This study demonstrates that temperature and reaction time significantly influence dolomite extraction, which follows the Arrhenius model, providing valuable insights into the kinetics and efficiency of dolomite extraction using phosphoric acid.
Pengaruh Harga, Kualitas Pelayanan dan Cita Rasa Terhadap Kepuasan Pelanggan Kedai Kopi Momen Klasik Rahmah, Muthiatur; Winarno, Sri Tjondro; Wijayati, Prasmita Dian
BRILIANT: Jurnal Riset dan Konseptual Vol 11 No 1 (2026): Volume 11 Nomor 1, Februari 2026
Publisher : Universitas Nahdlatul Ulama Blitar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.28926/briliant.v11i1.2156

Abstract

Customer satisfaction is a very important aspect and needs to be considered in coffee shops in order to compete. The influence of price is thought to be one of the determining factors of customer satisfaction with the products provided. The quality of service provided by the coffee shop to consumers also affects customer satisfaction. Another thing related to customer satisfaction is taste. The goal that the author wants to achieve is to determine the effect of price, service quality, and taste on customer satisfaction using the SEM-PLS method with a sample of customers at the ‘’Momen Klasik’’ coffee shop. The collection of research data used a questionnaire given to customers and obtained a sample of 50 respondents. The results show that the price variable has a positive and significant effect on customer satisfaction at the ‘’Momen Klasik’’ coffee shop with a p-value significance of 0.027. The service quality variable has a positive and significant effect on customer satisfaction at the classic moment coffee shop with a p-value significance of 0.013. The taste variable has a positive and significant effect on customer satisfaction at the ‘’Momen Klasik’’ coffee shop with a p-value significance of <0.001.
Sexual and Reproductive Health and Right Interventions: A Systematic Review Lutfiandini, Cherlys Tin; Indarwati, Retno; Rachmawati, Praba Diyan
BRILIANT: Jurnal Riset dan Konseptual Vol 11 No 1 (2026): Volume 11 Nomor 1, Februari 2026
Publisher : Universitas Nahdlatul Ulama Blitar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.28926/briliant.v11i1.2163

Abstract

The interventions are regarding SRHR in different countries vary greatly. Sexual and reproductive health and rights (SRHR) are important components to ensure that young people are able to prevent pregnancy, prevent sexually transmitted diseases and utilize health services. The aim of this systematic review is to analyze interventions that have been provided to adolescents about sexual and reproductive health problems in various countries. The authors conducted a systematic review of research examining interventions to improve sexual and reproductive health at ages 10-35 years using systematic review and meta-analysis (PRISMA) guidelines. Articles used from 2018 to 2023 database in Scopus, Science Direct, Sage Journal, and Pubmed. The authors screened titles and full texts so that data was extracted and analyzed using a practice-based narrative synthesis approach. The search produced 223 results by entering the keywords "Sexual and Reproductive Health and Rights (SRHR)", "intervention" and "adolescent" in the database. Twelve articles met the inclusion criteria using the PICOS framework. Results from the adolescent perspective regarding the interventions provided include education, carrying out HIV tests, easy access to information and health services, communication with parents about SRH, and providing economic assistance. The various interventions have been carried out to improve sexual and reproductive health in adolescents in various countries. The interventions carried out depend about needs and problems in the country regarding SRH in adolescents. The intervention evaluated programs that had been implementing by the government and providing program modifications because they were deemed effective in the previous program.
Analisis Kualitas Layanan Transportasi Umum Lanjutan di Stasiun Kereta Api Tanjung Karang Tri Nanda Arselia; Sulistyorini, Rahayu; Karami, Muhammad
BRILIANT: Jurnal Riset dan Konseptual Vol 11 No 1 (2026): Volume 11 Nomor 1, Februari 2026
Publisher : Universitas Nahdlatul Ulama Blitar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.28926/briliant.v11i1.2180

Abstract

In this globalization era, the demand for mobility of people and object are pivotal. The existence of a safe, comfortable, and accessible transportation service should be provided in order to increase demand. This study focuses on the passengers at Tanjung Karang Train Station, where the annual increase in passenger numbers has led to higher demand for post-train transportation services. The research evaluates passengers' satisfaction and perception towards the extension of this service at Tanjung Karang train station using the Servqual method and Importance Performance Analysis method (IPA). Results show 11 negative values (unsatisfactory) and 3 positive values (satisfactory). A Cartesian Diagram is used to show the scale priority in the satisfaction-expectation relationship in 4 different quadrants: 6 variables in Quadrant 1, which requires highest priority improvements, 1 variable in Quadrant 2, which requires performance maintenance, 2 Variables in Quadrant 3, which require low priority, and 5 variables in Quadrant 4 represent over-satisfactory.
Analisis Perbandingan Dinding Precast Dan Bata Ringan terhadap Waktu Dan Biaya Pada Facade Proyek Pakuwon Residence Bekasi Mixed Use Development Ewaldo Anggara Putra; Putra, I Nyoman Dita Pahang; Puspitasari, Nia Dwi
BRILIANT: Jurnal Riset dan Konseptual Vol 11 No 1 (2026): Volume 11 Nomor 1, Februari 2026
Publisher : Universitas Nahdlatul Ulama Blitar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.28926/briliant.v11i1.2197

Abstract

The selection of construction materials plays an important role because it directly affects the quality of the building, as well as the time and cost aspects of the work implementation. In general, the material used for wall work is lightweight brick, along with the times various new materials have been introduced to increase the efficiency of time and cost of work, including precast concrete. These two materials have different implementation methods that can affect the difference in time requirements and implementation costs. This study aims to compare the percentage of time and cost differences in the work of the outer wall facade of the building by modifying the use of precast concrete walls to lightweight bricks. The research methods used include direct observation in the field and literature study. The analysis results show that using precast concrete for building facade walls is more economical with a cost difference of Rp.6,692,903,056.39, or about 26% cheaper than lightweight bricks. The use of precast concrete is more affordable but requires stricter and more thorough supervision during implementation. The duration of time on facade work using precast concrete walls is also more efficient, with a completion time of 8.6% faster or equivalent to a savings of 17 days compared to using lightweight bricks.
analisis sediaan bahan baku tebu menggunakan metode Economic Production Quantity (EPQ) pada proses produksi gula pasir di PT. Sinergi Gula Nusantara Mashuri, Dandy Wahyu Ali; Setyadi, Taufik; Fitriana, Nisa Nafi Idhoh
BRILIANT: Jurnal Riset dan Konseptual Vol 11 No 1 (2026): Volume 11 Nomor 1, Februari 2026
Publisher : Universitas Nahdlatul Ulama Blitar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.28926/briliant.v11i1.2199

Abstract

This research aims to analyze the raw material inventory of sugarcane using the Economic Production Quantity (EPQ) method in the sugar production process at PT. Sinergi Gula Nusantara Mojokerto. The objectives of this study are to: (1) analyze the impact of sugarcane raw material inventory on the smoothness of sugar production, (2) determine the optimal economic inventory quantity for daily production, and (3) analyze the cost efficiency of raw material inventory in daily production at PG. Gempolkrep. The data analysis methods used in this study are descriptive analysis and the EPQ method. The results show that the smoothness of production at PG. Gempolkrep is disrupted due to unmet sugarcane raw material needs, caused by the conversion of land use, especially sugarcane farming areas in the Mojokerto region. This leads to an insufficient supply of raw materials for PG. Gempolkrep. Additionally, the EPQ calculation of production quantity shows a significant comparison with the company's policy. The production quantity based on the company's policy is still below the average daily production target of 600 tons per day, while the EPQ calculation results in a production quantity of 600-700 tons per day, which is above the target. This indicates that PG. Gempolkrep is not yet optimal in its production. Regarding production costs, the EPQ method calculation is more efficient than the production costs incurred by PG. Gempolkrep. The average production cost according to PG. Gempolkrep is Rp. 23,785,399, while the EPQ calculation shows Rp. 22,574,245, resulting in cost savings of Rp. 1,211,154. From these calculations, it can be concluded that using the EPQ method is more economical and efficient in managing production costs.
Optimasi Pemilihan Supplier Kayu dengan Metode PROMETHEE untuk Pemilihan Supplier Terbaik di CV AIDA Arifin, Qanita Zahira Muhar; Rochmoeljati, Rochmoeljati
BRILIANT: Jurnal Riset dan Konseptual Vol 11 No 1 (2026): Volume 11 Nomor 1, Februari 2026
Publisher : Universitas Nahdlatul Ulama Blitar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.28926/briliant.v11i1.2223

Abstract

CV Aida is a company engaged in furniture manufacturing. The purpose of this research is to select the best supplier for CV Aida. This study uses primary data in the form of CV Aida's supplier criteria obtained through interviews and questionnaires with three employees who understand the company's suppliers, as well as secondary data in the form of a list of teak wood suppliers and literature studies as the basis for determining the criteria. The dependent variable is the best alternative supplier of wood raw materials for CV Aida, while the independent variables are the supplier selection criteria derived from the literature and interview results. Data processing is carried out using the AHP method to determine the weights of criteria and subcriteria, and the PROMETHEE method to evaluate and determine the best supplier based on these criteria.. The finding indicates that the top-ranked supplier is UD Tulus with a net flow of 0.427. UD Barokah is ranked second with a net flow of 0.09225. Meanwhile, UD Ikhwan Kayu occupies the third rank with a net flow of -0.132. Although UD Ikhwan Kayu has a negative net flow, it is still better than UD Hikmah and UD Agung Kayu, with net flows of -0.15475 and -0.2325, respectively.
Life Cycle Cost Estimation that Considers Building Maintenance and Salvage Value in the Construction of Graha Cahaya Kusuma Building Monica, Aurel Ghea; Putra, I Nyoman Dita Pahang
BRILIANT: Jurnal Riset dan Konseptual Vol 11 No 1 (2026): Volume 11 Nomor 1, Februari 2026
Publisher : Universitas Nahdlatul Ulama Blitar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.28926/briliant.v11i1.2267

Abstract

A growing company will try to increase its profitability by increasing the productivity of its company. Building an office as a supporting facility is one way to increase productivity. However, most building owners or managers do not consider other cost factors that will arise, namely, the lack of knowledge about life cycle costs. Life cycle costs are calculations of all costs related to assets throughout their service life and costs arising from investment decisions. The data analysis methods carried out in the life cycle cost Graha Cahaya Kusuma Building include initial cost analysis, operational cost analysis, maintenance cost analysis, replacement cost analysis, salvage value analysis, and the Net Present Value (NPV) method. Of life cycle cost for 20 years, the initial cost is Rp 73.585.806.250 or 7,64% of the total, maintenance cost is Rp 15.142.186.691 or 1,57% of the total cost, material replacement cost is Rp 5.283.947.105 or 0,55% of the total, operational cost is Rp 858.474.984.124 or 89,11% of the total and makes operational cost the largest cost in this cycle, and salvage value is Rp 10.934.850.809 or 1,14%. This research is expected to provide an overview of the costs incurred by building owners.
Analisa Komparasi Algoritma SVM, Random Forest dan MLP-NN Untuk Klasifikasi Intrusi Perimeter Berbasis Getaran Saputra, Regi; Wibowo, Ari Purno Wahyu
BRILIANT: Jurnal Riset dan Konseptual Vol 11 No 1 (2026): Volume 11 Nomor 1, Februari 2026
Publisher : Universitas Nahdlatul Ulama Blitar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.28926/briliant.v11i1.2285

Abstract

The need for perimeter security systems is increasingly important in facing the increasing risk of intrusion to various infrastructures. This study aims to compare the performance of the Support Vector Machine (SVM), Random Forest, and Multi-Layers Perceptron Neural Network (MPL-NN) classification algorithms in separating intrusion and non-intrusion data classes recorded in the SW-420 vibration sensor installed on the perimeter fence. The Message Queuing Telemetry Transport (MQTT) communication protocol is used to connect the sensor to the program that records the dataset. Data collection is carried out through simulations of various vibration scenarios, such as intrusion attempts (intrusion) and environmental disturbances (non-intrusion). Normalization and label encoding techniques are applied to help the algorithm read important features in each data point. The results of the study show that of the three algorithms, Random Forest has a higher accuracy value with a value of 97% followed by the MLP-NN Tanh activation algorithm with an accuracy value of 93%. While the SVM algorithm with the RBF kernel has a value of 90.5%. This means that the Random Forest algorithm has good performance in categorizing vibrations.

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