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The Influence of Word-of-Mouth Communication on Purchasing Decisions for Depot Dua Legenda Food Products in Malang City Novi Ratriningtyas; Purnomo, Agung; Erfaridiansyah, Niazi
International Journal of Multidisciplinary Applied and Science Research Vol. 1 No. 01 (2024): International Journal of Multidisciplinary Science and Applied Research (IJOMA
Publisher : oneamd.com

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Abstract

The increasingly competitive culinary business landscape demands that entrepreneurs adopt effective and efficient marketing strategies. Among various available strategies, Word of Mouth (WOM) communication has proven to be one of the main drivers of consumer purchasing decisions due to its honest, personal, and trustworthy nature. This study aims to analyze and measure the extent of the influence of WOM communication on consumer purchasing decisions, using Depot Dua Legenda as a case study—a contemporary culinary business with a unique concept in Malang City. This research employs an explanatory quantitative approach using a survey method. A sample of 100 consumers of Depot Dua Legenda was selected using purposive sampling technique. Data were collected through questionnaires using a 4-point Likert scale and analyzed using descriptive and inferential statistical analysis, including validity testing, reliability testing, Pearson correlation, and linear regression. The research findings indicate that Word of Mouth communication has a positive and significant influence on the purchasing decisions of consumers at Depot Dua Legenda. A correlation coefficient of 0.708 indicates a strong relationship between the two variables. The regression analysis results produce the equation Y = 7.072 + 0.565X, meaning that every one-unit increase in WOM increases purchasing decisions by 0.565 units. Furthermore, the WOM variable can explain 50.1% of the variation in purchasing decisions (R Square = 0.501). This finding reinforces the statement that WOM, especially when organic and amplified through digital media, plays a primary role in driving consumer decision-making processes in the modern era.
Implementing Wood Waste Upcycling into Smart Side Tables for Indoor Air Quality Surveillance Pramono, Andi; Maulana, Fairuz Iqbal; Rosyidah, Elsa; Kurniawan, Bambang Kartono; Purnomo, Agung; Mohamed, Mustafa; Ezran, Muhamad
INDONESIAN JOURNAL OF URBAN AND ENVIRONMENTAL TECHNOLOGY VOLUME 9, NUMBER 1, APRIL 2026
Publisher : Universitas Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25105/urbanenvirotech.v9i1.24119

Abstract

Aim: The study aims to design and develop a bedside table using recycled wood and plywood waste while incorporating an indoor air quality (IAQ) monitoring system to improve indoor environmental health within the context of interior design innovation. Methodology and results: The study employs a qualitative design thinking approach, following the five key stages: empathize, define, ideate, prototype, and test. The bedside table is developed using upcycled wood waste and features an integrated IAQ monitoring system based on Arduino Nano's technology. The system includes DHT11 sensors for temperature and humidity monitoring and additional sensors for detecting CO and CO₂ levels. The results demonstrate that utilizing wood waste in furniture production effectively reduces landfill dependency while contributing to sustainable material use. Moreover, the embedded IAQ monitoring system enhances user awareness of indoor environmental conditions, supporting healthier living spaces. This research demonstrates the feasibility of integrating sustainable design and technological innovation to address environmental and health challenges in furniture interior design. The study enhances resource efficiency by repurposing wood waste into functional furniture while improving indoor air quality through smart monitoring technology. Conclusions, Significance, and Impact Study: The findings highlight the potential of smart furniture in promoting sustainability and health-conscious living. This study provides a practical framework for future furniture designs that support ecological responsibility and user well-being. This research sets a foundation for innovative product development in the furniture industry by bridging sustainable materials with IoT-based monitoring.
Perancangan Penerangan Jalan Umum Menggunakan Sistem Panel Surya di Padukuhan Masahan, Kelurahan Trirenggo: Indonesia Mulyadi, Akmal Hasan; Putri, Divka Hanggita; Avrizal, Dhevanda Ashar Evrast; Herdiansyah, Daneswara Reiva; Purnomo, Agung
Jurnal Abdimas Madani dan Lestari (JAMALI) Volume 08, Issue 1, Maret 2026
Publisher : UII

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20885/jamali.vol8.iss1.art7

Abstract

Solar-Powered Street Lighting (PJUTS) serves as a strategic solution to enhance safety, comfort, and community activities, particularly in rural areas with limited access to the national electricity grid. This study, conducted in Masahan Hamlet, Trirenggo Village, Bantul, aims to design an efficient, autonomous, and environmentally friendly PJUTS system. The methodology combines empirical field surveys (road conditions, lighting needs, light intensity, and pole spacing) with quantitative calculations of energy demand, solar panel capacity, battery storage, and light efficacy. The results indicate that the total energy demand of 720 Wh can be supplied by a 185 Wp solar panel system, where one 75 Wp module generates 225 Wh per day. Field implementation successfully installed three solar streetlights using LED lamps with 150 lumen/Watt efficiency, significantly improving community safety during nighttime. This study concludes that PJUTS can be effectively applied as a renewable energy-based lighting model for rural areas, while also supporting sustainability programs and reducing carbon emissions