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All Journal Jurnal Ilmiah Wahana Pendidikan Madani: Multidisciplinary Scientific Journal
Siagian, Ondo Pasuna
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Analisis Pengaruh Kualitas Produk dan Citra Merek Terhadap Loyalitas Pelanggan Melalui Kepuasan Pelanggan Air Mineral Merek Tirta Tio Siagian, Ondo Pasuna; Simanjuntak, Mariana
Madani: Jurnal Ilmiah Multidisiplin Vol 2, No 3 (2024): Madani, Vol. 2, No. 3 2024
Publisher : Penerbit Yayasan Daarul Huda Kruengmane

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5281/zenodo.12662522

Abstract

This research was aimed to analyze the influence of product quality and brand image on customer loyalty through customer satisfaction of Tirta Tio brand mineral water. This research used quantitative method. The samples were taken from the population using Non-Probability Sampling techniques with Accidental Sampling techniques. The research instrument used to collect data was a Likert scale questionnaire. The instrument was tested using SPSS Amos 26. The data analysis method used in this research was multiple linear regression analysis and hypothesis testing (t test). The research results showed that product quality has a positive and significant effect on customer satisfaction with a high level of influence of 89%, brand image has a positive influence on customer satisfaction with a low level of influence of 9%, product quality has a positive influence on customer loyalty with a medium level of influence of 56% , brand image has a positive effect on customer loyalty with a medium level of influence of 58% and customer satisfaction has a positive effect on customer loyalty with a medium level of influence of 59%. Therefore, it can be concluded that all the variables in this case had an influence even though the level of influence varies.
Analisis Peningkatan Profit Pada Umkm Jus Kairos Dengan Menggunakan Sistem Dinamik Panjaitan, Sally Rotua Juliana; Siagian, Ondo Pasuna; Sitorus, Angela Triwani Stefani; Silalahi, Fitriani Tupa Ronauli
Jurnal Ilmiah Wahana Pendidikan Vol 11 No 7.D (2025): Jurnal Ilmiah Wahana Pendidikan 
Publisher : Peneliti.net

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Abstract

Penelitian ini membahas analisis peningkatan profit pada Usaha Mikro, Kecil, dan Menengah (UMKM) Jus Kairos, yang berfokus pada penjualan minuman jus segar di sekitar Kampus Del. Dengan meningkatnya kesadaran akan gaya hidup sehat di kalangan mahasiswa, Jus Kairos memiliki potensi pasar yang signifikan. Namun, usaha ini menghadapi tantangan fluktuasi jumlah konsumen yang dipengaruhi oleh periode aktivitas akademik dan daya beli mahasiswa, serta fluktuasi harga bahan baku yang berdampak pada margin keuntungan. Penelitian ini menggunakan pendekatan simulasi sistem dinamik untuk menganalisis pola konsumsi, memprediksi fluktuasi permintaan, dan mengoptimalkan pengelolaan biaya. Hasil penelitian diharapkan dapat memberikan solusi praktis bagi Jus Kairos dalam mengatasi tantangan operasional dan menyusun kebijakan berbasis data untuk meningkatkan kinerja usaha di tengah persaingan yang ketat.
Co-Authors Fitriani Tupa R Silalahi Panjaitan, Sally Rotua Juliana Simanjuntak, Mariana Sitorus, Angela Triwani Stefani