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All Journal PENA AKUATIKA : JURNAL ILMIAH PERIKANAN DAN KELAUTAN International Journal of Economics and Management Research
Sukimin Sukimin
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Social Sciences

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ANALISIS KOMPARASI SUMBER AIR YANG BERBEDA DALAM PENGELOLAAN TAMBAK TERHADAP HASIL PRODUKSI UDANG VANNAMEI (Litopenaeus vannamei) Sukimin Sukimin; Muhamad Agus; M Bahrus Syakirin
Pena Akuatika Jurnal Ilmiah Perikanan Dan Kelautan Vol 13, No 1 (2016): PENA AKUATIKA JURNAL ILMIAH PERIKANAN DAN KELAUTAN
Publisher : Fakultas Perikanan Universitas Pekalongan

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (174.195 KB) | DOI: 10.31941/penaakuatika.v13i1.520

Abstract

Water quality is one of the major factors in the success aquacultur vannamei shrimp in ponds. This study aims to determine differences in the different water sources in the management of ponds for the production of vannamei shrimp (Litopenaeuse vannamei). The method used in this study exploratory kompar with descriptive analysis of qualitative and quantitative. Statistical t-test results on the water quality of the pond water boreholes and water sources tidal pond in the mornings and evenings differ significantly consisting of salinity, temperature, dissolved oxygen, pH, brightness and ammonia. Production results obtained pond water source wells drilled better gained an average of 2850 kg, FCR 1.2, SR 93.7% growth and weight of 26.3 grams / tail, then the tidal pond water source gained an average of 2052, 5 kg, FCR 1.6 SR 92.7% growth and weight of 20 grams /. Suggestions vannamei shrimp culture with artesian well water sources need to be tail. Conclusions water quality and production wells drilled pond water better than water tidal pond applied and developed society to farmers and water quality observation needs to be done carefullyKeywords : Vannamei shrimp aquaculture, water quality, the result of production.
The Influence of Digital Marketing, Service Quality and Product Variety on Customer Loyalty of Kopi Daeng Cafe in Balikpapan Maya Dwi Rahmawati; Sukimin Sukimin; Adi Hermawansyah
International Journal of Economics and Management Research Vol. 5 No. 1 (2026): April: International Journal of Economics and Management Research
Publisher : International Forum of Researchers and Lecturers

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/ijemr.v5i1.818

Abstract

This study aims to determine and analyse the influence of digital marketing, service quality and product variety partially on customer loyalty of Kopi Daeng Gunung Bakaran Balikpapan Branch. This study uses a quantitative approach with a survey method. The sampling technique in this study is Non-   Probability Sampling with Incidental Sampling technique. Based on this technique, the number of samples in this study was 180 respondents who that be customers. The Data collection was carried out by distributing online questionnaires via Google Form to respondents who had made the purchasing at this place. The data analysis technique in this study used validity test, reliability test, classical assumption test, t test, f test, linear regression test and coefficient of determination test using the Statistical Package for the Social Sciences (SPSS) version 15.0 program. The results showed of the digital marketing    variable did not have a significant effect on customer loyalty, the service quality variable did not have a significant effect on customer loyalty, while the product variety variable had a positive and significant effect on customer loyalty.
Co-Authors Adi Hermawansyah Maya Dwi Rahmawati Mohammad Bahrus Syakirin Muhamad Agus