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All Journal Equator Journal of Management and Entrepreneurship Indikator: Jurnal Ilmiah Manajemen & Bisnis Jurnal Ilmiah Manajemen Kesatuan Journal of Functional Food and Nutraceutical Jurnal EMA (Ekonomi Manajemen Akuntansi) Makara Journal of Science Journal of International Conference Proceedings Jurnal Manajemen Maranatha
Hery Sutanto
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Agriculture, Biological Sciences & Forestry Humanities Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Electrical & Electronics Engineering Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Nursing Social Sciences

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Oven Drying and Water Extraction of Curcuma xanthorrhiza for Hygiene Improvement in the Production of Jamu Cekok, a Traditional Appetite Stimulant Herbal Medicine Ramdhani, Rizal Pauzan; Puspita, Diaz Marsya; Sutanto, Hery
Journal Akademik Universitas Swiss German Vol. 3 No. 1 (Aug 2021)
Publisher : Swiss German University & Perhimpunan Penggiat Pangan Fungsional dan Nutrasetikal Indonesia (P3FNI)

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Abstract

Balita usia di bawah 5 tahun dengan kondisi malnutrisi merupakan permasalahan yang banyak ditemukan Indonesia, dan sekitar 53% diantaranya disebabkan oleh rendahnya nafsu makan. Jamu cekok adalah obat tradisional Indonesia yang umumnya digunakan untuk meningkatkan nafsu makan untuk anak-anak. Jamu cekok biasanya diberikan kepada anak dengan cara meremas campuran herbal dengan tangan dan langsung dimasukan kedalam mulut anak supaya cairan yang dihasilkan langsung masuk ke dalam tenggorokan anak. Bahan utama jamu cekok adalah rimpang Curcuma xanthorrhiza Roxb (Temulawak) dengan bahan aktif kurkumin dan xantorizol. Walaupun fungsi secara empiris dan potensi pasar sudah cukup menjanjikan, tetapi umumnya metode yang digunakan untuk mengeringkan bahan baku dengan sinar matahari dan proses memeras herbal memiliki potensi kontaminasi mikroba yang sangat besar. Perubahan proses pengeringan menggunakan oven dan ekstraksi menggunakan air dapat diaplikasikan untuk meningkatkan sanitasi dari jamu cekok. Pada penelitian ini, dilakukan ekstraksi temulawak menggunakan air dengan dilakukan beberapa perbedaan diantaranya kondisi suhu pengeringan (30°C dan 50°C), suhu ekstraksi (50°C, 75°C, dan 100°C), serta rasio berat dari pelarut dan bahan baku (10:5, 10:2, 10:1). Estimasi kandungan kurkumin dan penentuan xantorizol secara kualitatif digunakan untuk menentukan efektivitas dari proses ekstraksi menggunakan air, sedangkan peningkatan sanitasi dapat dilihat dari jumlah pertumbuhan bakteri. Kandungan kurkumin paling tinggi dihasilkan dari rasio pelarut terhadap bahan baku 10:2. Suhu ekstraksi paling tinggi menghasilkan kandungan kurkumin yang paling tinggi, tetapi sebaliknya memiliki kandungan xantorizol yang paling rendah. Pengeringan menggunakan oven dan ekstraksi menggunakan air menunjukan peningkatan sanitasi yang terlihat dari penurunan jumlah bakteri yang sangat signifikan.
Effect of Surfactant Addition on the Dispersion and Antioxidant Performance of Pyrogallol in Biodiesel Yusri, Silvya; Nasikin, Mohammad; Sutanto, Hery
Makara Journal of Science Vol. 24, No. 4
Publisher : UI Scholars Hub

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Abstract

Biodiesel is one of the most feasible energy sources that can be used as a replacement for fossil fuel. Biodiesel has several advantages over conventional fuels because of its availability, renewability, and high combustion efficiency. However, biodiesel that contains unsaturated fatty acid methyl esters is prone to oxidation during the blending process and storage period. The complete oxidation reaction of biodiesel produces insoluble gums that could potentially plug the fuel engines. This reaction has become the main barrier for biodiesel to compete with other biofuels. Among several methods, the addition of antioxidants is the most cost-effective method to prevent the oxidation reaction in biodiesel. Pyrogallol (PY), which is one of the best antioxidant additives for biodiesel, was used in this research to evaluate its performance. However, the fact that PY is partially soluble in biodiesel is considered a problem in the application of PY as an antioxidant additive in biodiesel. In this research, three different surfactants were added to increase the dispersion and performance of PY in biodiesel. Dispersion test, acid number analysis, and iodine value analysis were performed to evaluate the effect of surfactant addition on the dispersion and antioxidant performance of PY in biodiesel. The surfactant glycerol monostearate showed the best result in increasing the dispersion of PY in biodiesel compared with sorbitan monooleate and polyglyceryl-4-isostearate (PG4IS). By contrast, the best performance of PY in preventing the oxidation of biodiesel was achieved with the addition of PG4IS.
Analysis of e-Service Quality, e-Trust, Promotion, e-Customer Satisfaction, and e-Customer Loyalty of Flip Application Customers in the Special Region of Yogyakarta Prasetyo, Edo Budi; Oetomo, Hadi; Liestyana, Yuli; Sukarno, Agus; Sutanto, Hery
Journal of International Conference Proceedings Vol 6, No 6 (2023): 2023 WIMAYA Yogyakarta Proceeding
Publisher : AIBPM Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32535/jicp.v6i6.2642

Abstract

This research aims to find the effect of service quality, e-trust, and promotion on customer loyalty mediated by e-customer satisfaction with the Flip application in the Special Region of Yogyakarta. This research uses purposive sampling techniques. The number of samples used in this research was 105 respondents. The data analysis tool used in this research is Partial Least Square (PLS). The results in this study are (1) e-service quality positively affects customer satisfaction, (2) e-service quality positively affects customer loyalty, (3) e-trust positively affects customer satisfaction, (4) e-trust positively affects customer loyalty, (5) promotion positively affects customer satisfaction (6) e-customer satisfaction positively affects customer loyalty (7) e-service quality positively affects customer loyalty through e-customer satisfaction (8) e-trust positively affects customer loyalty through e-customer satisfaction (9) promotion positively affects customer loyalty through e-customer satisfaction. The research team suggests that Flip companies pay more attention to e-service quality through several indicators, such as improving the application to avoid frequent errors, compensating users if an application system error occurs during transactions, and providing better service assistance contacts.
The Effect of Social Media Marketing and E-WOM on Purchase Intention of TikTok Users Saputra, Riski Riadi; Darpito, Surpiko Hapsoro; Oetomo, Hadi; Sutanto, Hery
Jurnal Ilmiah Manajemen Kesatuan Vol. 12 No. 5 (2024): JIMKES Edisi September 2024
Publisher : LPPM Institut Bisnis dan Informatika Kesatuan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37641/jimkes.v12i5.1840

Abstract

This study aims to analyze the role of E-trust as a mediating variable on the influence of social media marketing and e-WOM on purchase intention of TikTok users in Sleman Regency. The sampling technique uses a non-probability sampling technique with purposive sampling. Data obtained using a questionnaire technique in the form of a Google form, distributed online to 100 respondents. The data analysis method in this study used the Structural Equation Modeling-Partial Least Square (SEM-PLS) method with the SmartPLS 4.0 data processing program. The results of this study indicate that social media marketing has a positive and significant influence on purchase intention, e-WOM has a positive and significant influence on purchase intention, social media marketing has a positive and significant influence on E-trust, e-WOM has a positive and significant influence on E-trust, E-trust has a positive and significant effect on purchase intention, social media marketing has a positive and significant effect on purchase intention through E-trust as a mediating variable, e-WOM has a positive and significant influence on purchase intention through E-trust as mediating variable.
Analysis of e-Service Quality, e-Trust, Promotion, e-Customer Satisfaction, and e-Customer Loyalty of Flip Application Customers in the Special Region of Yogyakarta Prasetyo, Edo Budi; Oetomo, Hadi; Liestyana, Yuli; Sukarno, Agus; Sutanto, Hery
Journal of International Conference Proceedings Vol 6, No 6 (2023): 2023 WIMAYA Yogyakarta Proceeding
Publisher : AIBPM Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32535/jicp.v6i6.2642

Abstract

This research aims to find the effect of service quality, e-trust, and promotion on customer loyalty mediated by e-customer satisfaction with the Flip application in the Special Region of Yogyakarta. This research uses purposive sampling techniques. The number of samples used in this research was 105 respondents. The data analysis tool used in this research is Partial Least Square (PLS). The results in this study are (1) e-service quality positively affects customer satisfaction, (2) e-service quality positively affects customer loyalty, (3) e-trust positively affects customer satisfaction, (4) e-trust positively affects customer loyalty, (5) promotion positively affects customer satisfaction (6) e-customer satisfaction positively affects customer loyalty (7) e-service quality positively affects customer loyalty through e-customer satisfaction (8) e-trust positively affects customer loyalty through e-customer satisfaction (9) promotion positively affects customer loyalty through e-customer satisfaction. The research team suggests that Flip companies pay more attention to e-service quality through several indicators, such as improving the application to avoid frequent errors, compensating users if an application system error occurs during transactions, and providing better service assistance contacts.
Product Quality dan Price Terhadap Purchase Decision Pakaian Thrifting Dengan Brand Image Sebagai Variabel Intervening Sukarno, Agus; Lestari, Rina Ika; Hadioetomo, Hadioetomo; Sutanto, Hery; Herliato, Didit
JURNAL EMA (Ekonomi Manajemen Akuntansi) Vol 9, No 2 (2024): DESEMBER
Publisher : Universitas Merdeka Pasuruan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51213/ema.v9i2.457

Abstract

Dalam beberapa tahun terakhir, tren thrifting sedang digemari oleh kalangan anak muda. Akibat dari meningkatnya tren thrifting tersebut, semakin banyak pelaku usaha yang mengambil peluang bisnis dari fenomena tersebut. Penelitian ini dilakukan dengan tujuan untuk mengetahui pengaruh kualitas produk dan harga terhadap keputusan pembelian, apakah berpengaruh langsung atau tidak langsung melalui brand image. Penelitian ini dilakukan menggunakan metode kuantitatif. Teknik pengambilan sampel menggunakan metode purposive sampling. Populasi yang digunakan yakni Gen Z di DIY yang pernah melakukan pembelian pakaian thrifting. Jumlah sampel yang dipakai pada penelitian ini sebanyak 100 responden. Teknik pengambilan data menggunakan kuesioner online yang disebarkan melalui media sosial. Data yang telah dikumpulkan selanjutnya diolah menggunakan SmartPLS 4.0. Hasil penelitian ini ditemukan bahwa kualitas produk, harga, dan brand image secara positif dan signifikan berpengaruh secara langsung terhadap keputusan pembelian. Selain itu, kualitas produk dan harga terbukti secara positif dan signifikan berpengaruh terhadap keputusan pembelian melalui brand image sebagai variabel yang memediasi hubungan antar kedua variabel X dengan variabel Y.
The Effect Of Electronic Word Of Mouth, Self Congruity And Brand Awareness On E-Purchase Intention In Crsl Brands (Survey On Tiktok Shop User Students In Sleman Regency, Yogyakarta) Putri, Anastasia Ines Chyntia; Darpito, Surpiko Hapsoro; Oetomo, Hadi; Sutanto, Hery
Journal of International Conference Proceedings Vol 7, No 4 (2024): 2024 Wimaya Yogyakarta Proceeding
Publisher : AIBPM Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32535/jicp.v7i4.3538

Abstract

This study aims to determine the effect of electronic word of mouth (eWOM), self-congruity, and brand awareness on e-purchase intention for the CRSL brand. The data collection technique employed is non-probability sampling with a purposive sampling method. The data analysis method in this study uses multiple regression analysis techniques through SPSS 23. This research adopts a causal associative design using a quantitative approach. The population in this study consists of all students who use TikTok Shop and are familiar with the CRSL brand in Sleman Regency, Yogyakarta. The sample size used in this study is 100 respondents. The results reveal that eWOM, self-congruity, and brand awareness collectively have a positive and significant effect on e-purchase intention. Furthermore, eWOM individually has a positive and significant effect on e-purchase intention, self-congruity has a positive and significant effect on e-purchase intention, and brand awareness also has a positive and significant effect on e-purchase intention
Managing Job Stress to Boost Employee Performance: A Case Study at Rumah Sakit X Hasan, Zulfikar Muhammad; Sista, Kanina; Sutanto, Hery; Harmastuti, Primadia Putri; Rachmawati, Nurendah Shinta
Journal of International Conference Proceedings Vol 7, No 4 (2024): 2024 Wimaya Yogyakarta Proceeding
Publisher : AIBPM Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32535/jicp.v7i4.3587

Abstract

This study examines the relationship between job stress, job satisfaction, and employee performance, focusing on the mediating role of job satisfaction. The research was conducted at Rumah Sakit X with 118 respondents, comprising non-medical staff, who completed a structured questionnaire. The findings reveal a strong negative correlation between job stress and employee performance, indicating that higher levels of stress are associated with lower employee productivity and effectiveness. Additionally, job stress was found to have a significant indirect negative impact on employee performance when mediated by job satisfaction. This suggests that job stress not only directly hampers performance but also reduces job satisfaction, which in turn further diminishes employee performance. The study underscores the importance of managing workplace stress to foster better job satisfaction and improve overall performance. These findings emphasize the need for organizations to implement stress management strategies and create supportive environments that promote employee well-being. By addressing the root causes of job stress and enhancing job satisfaction, organizations can mitigate its adverse effects on performance, ensuring a more productive and engaged workforce. The results contribute to the growing body of research linking workplace stress, satisfaction, and performance, providing actionable insights for organizational improvement.
The Influence of Market Timing Ability, Stock Selection Skill, Fund Age, and Fund Size on The Performance of Sharia Mutual Funds Sukarno, Agus; Oetomo, Hadi; Sutanto, Hery; Liestyana, Yuli; Herlianto, Didit
Equator Journal of Management and Entrepreneurship (EJME) Vol 13, No 2 (2025): Equator Journal of Management and Entrepreneurship
Publisher : Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/ejme.v13i2.90893

Abstract

 This study aims to analyze the effect of Market Timing Ability, Stock Selection Skill, Fund Age, and Fund Size on the Performance of Sharia Equity Mutual Funds for the period January 2021 to December 2024. This type of research uses a quantitative approach. The research sample used was Islamic stock mutual funds that were active from January 2021 to December 2024 totaling 22 stock Islamic mutual funds. Samples were taken using purposive sampling method with various sampling criteria. The research data were analyzed using multiple linear regression analysis, as well as the research method using the classical assumption test, and hypothesis testing t and F. The results of hypothesis testing show that Market Timing Ability, Stock Selection Skill, Fund Age, and Fund Size have a joint effect on performance. Sharia Equity Mutual Funds for the 20121-2024 period, Market Timing Ability has no effect on the Performance of Sharia Equity Mutual Funds for the 2021-2024 period, Stock Selection Skill has no effect on the Performance of Sharia Equity Mutual Funds for the 2021-20224 period, Fund Age has no effect on the Performance of Sharia Equity Mutual Funds for the 2021-2024 period, Fund Size has no effect on the Performance of Sharia Equity Mutual Funds for the 2021-2024 period.
Studi Konfirmasi Perceived Quality dan Perceived Transaction Value terhadap Acquisition Value yang Berdampak pada Willingess to Buy Surpiko Hapsoro Darpito; Hery Sutanto
Jurnal Manajemen Maranatha Vol 10 No 2 (2011)
Publisher : Universitas Kristen Maranatha

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.28932/jmm.v10i2.84

Abstract

To be successfully in a value-conscious environment competition sellers have to stress the value of their offerings. One value-based strategy involves emphasizing the value of acquiring the product that known as acquisition value. Sellers can increase acquisition value perceptions by enhancing buyer's perceptions of the product's quaility or benefit relative to the selling price include of buyer's perceive transaction value. The influence of buyer's perception of quality, perceived internal price reference and perceived transaction value on buyer's perceived acquisiton value and it's impact on their willingness to buy of Secutis Matic motor cycle in Yogyakarta have been researched. This research used Structural Equation Modelling (SEM)to test the four hypotheses proposed. The results showed there are a positive relationship between buyer's perception of quality and perceived acquisition value, a positive relationship between buyer's perceived transaction value and perceived aquisition value, a positive relationship between buyer's perceived aquisition value and their willingness to buy, and a positive relationship between buyer's perceived transaction with their willingness to buy.Keywords: perception of quality, perceived internal price, perceived transaction value, perceived acquisition value, and willingness to buy.
Co-Authors Agus Sukarno Hadi Oetomo Harmastuti, Primadia Putri Hasan, Zulfikar Muhammad Herlianto, Didit Herliato, Didit Lestari, Rina Ika Mohammad Nasikin Prasetyo, Edo Budi Puspita, Diaz Marsya Putri, Anastasia Ines Chyntia Rachmawati, Nurendah Shinta Ramdhani, Rizal Pauzan Sakina, Munadiyah Wulansari Saputra, Riski Riadi Sista, Kanina Surpiko Hapsoro Darpito Yuli Liestyana Yusri, Silvya