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All Journal Jurnal Teknik Industri J@TI (TEKNIK INDUSTRI) Jurnal Manajemen Teknologi Industrial Engineering Online Journal Jurnal Rekayasa Sistem Industri Prosiding Seminar Nasional Sains Dan Teknologi Fakultas Teknik International Journal of Education Jurnal Rekavasi OPSI JURNAL PASTI (PENELITIAN DAN APLIKASI SISTEM DAN TEKNIK INDUSTRI) JISI UMJ (Jurnal Integrasi Sistem Industri UMJ) Jurnal Ilmiah Teknik Industri Manajemen Pendidikan Tekinfo | Scientific Journal of Industrial and Information Engineering Jurnal Pemberdayaan: Publikasi Hasil Pengabdian Kepada Masyarakat SPEKTA (Jurnal Pengabdian Kepada Masyarakat : Teknologi dan Aplikasi) Jurnal Jarlit Spektrum Industri
Wandhansari Sekar Jatiningrum
Universitas Ahmad Dahlan
Arts Humanities Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Energy Engineering Environmental Science Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Mathematics Physics Social Sciences Transportation Other

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Journal : OPSI

 1 
Selection of Video on Demand Service Applications for Students Using TOPSIS Wandhansari Sekar Jatiningrum; Setya Khusna Rossy Pertiwi; Mohamad Irvan Irianto; Yolanda Okta Ria
OPSI Vol 14, No 2 (2021): ISSN 1693-2102
Publisher : Jurusan Teknik Industri Fakultas Teknologi Industri UPN "Veteran" Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31315/opsi.v14i2.4846

Abstract

Video on Demand service is getting popular for people to watch film or drama recently. Various streaming applications with different services and characteristics can be chosen by people. Students, as the largest consumers of film and drama industry, have various factors to be considered in choosing alternatives to these streaming services. This study aims to enable users, namely students, to choose the best alternative among various choices of streaming service applications by consider several factors at once. TOPSIS method (Technique for Others Reference by Similarity to Ideal Solution) is used in this research to rank streaming service applications according to user preferences. The criteria considered by users are subscription fees, variety of film and drama choices, application views, and services provided. Data collection was carried out by distributing questionnaires to 50 student respondents regarding the criteria and alternatives. The results of TOPSIS analysis showed that students prefer Viu application as the best choice for watching films and dramas. The second to forth rankings are iflix, Netflix, and WeTV, respectively.
Applying AHP-TOPSIS Approach for Selecting Marketplace based on Preferences of Generation Z Wandhansari Sekar Jatiningrum; Sri Nastiti Andayani Sesanti Retno Utami; Wardatus Sholihah; Ashof Abdulmajid; Reinna Desstryani
OPSI Vol 15, No 1 (2022): ISSN 1693-2102
Publisher : Jurusan Teknik Industri Fakultas Teknologi Industri UPN "Veteran" Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31315/opsi.v15i1.6824

Abstract

The increasing ease of internet access leads to good opportunities for marketplace growth. The marketplace's popularity is gaining among many people, especially Generation Z, and makes the marketplace becomes their primary solution for online shopping. According to the massive amount of generation Z and their lives that get used to sophisticated technology, this generation can become the critical marketplace consumer in the upcoming years. This research examines the selection of generation Z’s preferences towards the marketplace using the AHP-TOPSIS approach. The selection was based on three criteria: service quality, information, and price. AHP approach was applied to calculate each criterion's weight, while TOPSIS was used to obtain the alternative ranking of marketplaces. The result shows that service quality becomes the most influential criterion for selecting marketplace platforms. The weight of each criterion is service quality of 0.425, information quality of 0.280, and price of 0.295. Shopee is chosen as the most suitable marketplace platform for Generation Z. The proposed model of this research can allow the business players to effectively select the suitable marketplace for selling their products targeted to Generation Z.
Conceptual Model of Inhibiting Factors to Intent as Waste Cooking Oil Collection Facility Siti Mahsanah Budijati; Fatma Hermining Astuti; Wandhansari Sekar Jatiningrum
OPSI Vol 16, No 1 (2023): ISSN 1693-2102
Publisher : Jurusan Teknik Industri Fakultas Teknologi Industri UPN "Veteran" Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31315/opsi.v16i1.8554

Abstract

One of the critical points in realizing reverse logistics (RL) activities is determining the collection location for the products to be managed. Used cooking oil is a consumable product that can be collected through RL activities. Currently, the collection of used cooking oil in some food service businesses in the city of Yogyakarta is carried out by collectors. Collectors carry out their activities based on economic interests. In contrast, from the view of long-term interests, the management of used cooking oil is a manifestation of a sustainable supply chain. So that the management of used cooking oil is not solely aimed at economic interests but also to realize environmental sustainability and social support, cooperation between food service businesses is needed. One form of such cooperation is the provision of collection facilities. However, preliminary studies in this research found that no food service businesses were willing to act as collection facilities. For this reason, this study proposes a conceptual model of the inhibiting factors for intending as a used cooking oil collection facility for food service business actors. The research method was carried out through a literature review as the basis for preparing the conceptual model. The resulting model can be used as a basis for further research.
The Determinant Factors of Intention to Use Cloth Diapers in The Yogyakarta Area Reni Dwi Astuti; Wandhansari Sekar Jatiningrum
OPSI Vol 16, No 1 (2023): ISSN 1693-2102
Publisher : Jurusan Teknik Industri Fakultas Teknologi Industri UPN "Veteran" Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31315/opsi.v16i1.8992

Abstract

To anticipate environmental damage, one of the efforts is to use green products, including cloth diapers which are more environmentally friendly because they can be used repeatedly, thus reducing the waste of disposable diapers. For this reason, a study was conducted to determine the factors influencing the purchasing intention of environmentally friendly diapers. The factors studied included attitudes, subjective norms (SN), perceptions of behavioral control (PBC), environmental awareness (PL), moral responsibility (Norm), and perceived risk (PR). These six factors will be tested to determine whether they significantly influence the intention to use cloth diapers, then their effect will be analyzed. The objects in this study are residents of the City of Yogyakarta who have and take care of infants or toddlers. Data was obtained by distributing questionnaires. Data processing begins with validity and reliability testing. After testing the validity and reliability, it is followed by regression tests, model significance, significance test for the influence of each independent variable, and finally, determining the coefficient of determination. From the processing of the 406 questionnaires, it is known that three variables significantly influence: subjective norms, perceptions of behavioral control, and moral responsibility. The resulting regression equation is Intention=0.045attitude+0.288 SN+0.277PBC+0.009PL-0.020PR+0.316Norm. The coefficient of determination of the conceptual model is 64.2%, which means that changes in the values of the six variables studied contribute to a variation in the response variable (intention) of 64.2%. 
Co-Authors Adisti Rosmasari Adityo, Luthfi Bagus Afdilla Puja Ruminda Almuhaymin, Rizki Amalia Yuli Astuti Amelia, Dea Arivah Andika, Arma Ludfy Arma Ludfy Andika Ashof Abdulmajid Astuti, Fatma Hermining Astuti, Reni Dwi Astutik, Siti Supri Aziz Ichwanudin Budijati, Siti Mahsanah Choirul Sayid Sabiq Dea Arivah Amelia Diana Puspita Sari Hasan Mastrisiswadi Hasan Mastrisiswadi Hasan Mastrisiswadi Herry Suliantoro Luthfi Bagus Adityo Mariska Renanda Mohamad Irvan Irianto Muhammad Syafril Nadilla Dzikirna Larasati Poppy Laksita Rini Reinna Desstryani Reni Dwi Astuti Riki Prya Tama Sabiq, Choirul Sayid Setiawan, Fran Setya Khusna Rossy Pertiwi Siti Tuhpatul Anwariah Sri Nastiti Andayani Sesanti Retno Utami Sumargiyani Sumargiyani Utami, Sri Nastiti Andayani Sesanti Retno Wachid, Nur Wardatus Sholihah Yolanda Okta Ria Zalfa, Dhia