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All Journal SINTECH (Science and Information Technology) Journal JURNAL TEKNIK INFORMATIKA DAN SISTEM INFORMASI Jutisi: Jurnal Ilmiah Teknik Informatika dan Sistem Informasi Jurnal Paedagogy International Journal Of Science, Technology & Management (IJSTM) Teknika Widya Teknik
Grace Levina Dewi
Institut Sains Dan Teknologi Terpadu Surabaya
Aerospace Engineering Agriculture, Biological Sciences & Forestry Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Education Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Mathematics Mechanical Engineering Transportation Other

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Pemanfaatan Progressive Web Apps Pada Web Akuntansi Grace Levina Dewi; Suhatati Tjandra; Ricardo
Teknika Vol. 9 No. 1 (2020): Juli 2020
Publisher : Center for Research and Community Service, Institut Informatika Indonesia (IKADO) Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34148/teknika.v9i1.252

Abstract

Software untuk mengelola data transaksi menjadi laporan keuangan sangat banyak dipakai di berbagai sektor bisnis. Software yang cepat, akurat, reliabilitas tinggi serta mudah diimplementasikan menjadi faktor pemilihan software. Oleh karena itu, dikembangkan software pengelola transaksi dengan menggunakan PWA (Progressive Web Apps). Alasan memanfaatkan PWA karena dapat memenuhi kebutuhan software yang dibutuhkan oleh pengguna. Secara garis besar, kelebihan PWA ini terletak pada bagian notifikasi, dapat diakses secara offline, memiliki performa yang bagus, sistem keamanan yang bagus (karena harus menggunakan HTTPS), dan dapat diterapkan pada web. Penerapan PWA ini juga sama seperti memakai aplikasi di smartphone. Uji coba dalam pengembangan ini dilakukan dengan dua metode, yaitu Performance Testing dan Functionality Testing. Hasil uji coba menyatakan bahwa web akuntansi dengan PWA mempunyai kecepatan yang hampir sama dengan native tetapi User Experience PWA lebih baik dibandingkan aplikasi native. Hasil dari Functionality Testing menunjukan Web App dapat berjalan dengan baik sesuai fungsi setiap fitur.
PERANCANGAN SISTEM PENAWARAN STARTUP DAN INVESTOR ONLINE Grace Levina Dewi; Suhatati Tjandra; Setya Ardhi; Alfira Jessica
SINTECH (Science and Information Technology) Journal Vol. 4 No. 2 (2021): SINTECH Journal Edition Oktober 2021
Publisher : LPPM STMIK STIKOM Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31598/sintechjournal.v4i2.978

Abstract

In terms of establishing and nurturing startups, finances are required to ensure their long-term viability. Startups at this stage require the support of investors as financial backers. The dearth of forums for promoting companies makes it difficult for developers to get traction and attract investors. The bidding method for entrepreneurs and investors was designed with these limits in mind. The waterfall concept is used in the design of this offering system, in which the website design is completed consecutively from beginning to end. The purpose of this website's design is to make it easier for developers to advertise startups or "products," to create possibilities for developers to meet investors indirectly, and to make it easier for investors to analyze startups with future potential. Startups are classified according to their valuation value; the Discounted Cash Flow approach was used to calculate the valuation for this website design
Pengembangan Website Match Maker Startup dan Investor Grace Levina Dewi
JATISI (Jurnal Teknik Informatika dan Sistem Informasi) Vol 10 No 2 (2023): JATISI (Jurnal Teknik Informatika dan Sistem Informasi)
Publisher : Lembaga Penelitian dan Pengabdian pada Masyarakat (LPPM) STMIK Global Informatika MDP

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35957/jatisi.v10i2.2222

Abstract

Indonesian startups are growing at a breakneck pace. When starting a business, finances are required to continue to develop the business, sustain it, and defend it against competition in the startup environment. One of the most crucial responsibilities in a business is that of an investor. Investors can help startups by providing financial assistance (investment). There are now only a handful sites for developers to market their startups as promotional material. This promotion can be used to promote startups (owned products) to a wider audience and gain investors' attention. The above-mentioned limits are the primary focus of website creation. The waterfall concept was used in the building of this website. The goal of creating this website is not only to serve as a promotional tool, but also to provide an opportunity for entrepreneurs to meet investors in an indirect manner and to make it easier for investors to analyze businesses with future potential. Compatibility, performance, and usability tests are all used in website development. Website development from the developer's perspective received a usability score of 91.86%, indicating that the website is very excellent, and website development for investors received a score of 79.85%, indicating that the website is good.
Library System Development Using Design Thinking Method Levina Dewi, Grace; Tjandra, Suhatati; Cahyani Styoningrum, Indah; Ardhi, Setya
International Journal of Science, Technology & Management Vol. 5 No. 4 (2024): July 2024
Publisher : Publisher Cv. Inara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46729/ijstm.v5i4.1135

Abstract

The library information system that is currently being used is still inadequate in providing information and various problems occur on the website which disrupt various transaction activities in the library. The aim of creating this website is to provide facilities for all users, from librarian, and students to lecturers, to obtain library information easily. The website will be built with various features in the hope of making it easier for users to get information from the library. Using the design thinking method, research is carried out to identify problems that occur and solutions are found according to the needs of library users. Based on the results of the usability test, the score was above average and in the good category and this system can be generally accepted by all users. Even though the usability results were unsatisfactory, the majority of users, 82.41%, were satisfied with this library system. The performance test results also show that the website has very good performance with an average score of 92.68%.
Sistem Marketplace Penitipan Hewan Dengan Memanfaatkan Teknologi React Native Grace Levina Dewi; Suhatati Tjandra
Widya Teknik Vol. 21 No. 1 (2022): May
Publisher : Fakultas Teknik, Universitas Katolik Widya Mandala Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33508/wt.v21i1.3874

Abstract

Keeping animals is a very fun hobby because pets can be entertainment in itself to relieve fatigue from daily activities. But there are certain times, the owner doesn't have time to take care of the pet, especially if there are tasks out of town for a few days, or other activities. Pet care is a solution to keep pets taken care of while their owners don't have time to take care of them. Animal care provides care facilities for pets that are deposited. Currently, many provide animal care services with the aim of helping facilitate the search for the best animal care services and according to needs. Developed a mobile application system in the form of an animal care marketplace using React Native technology. The purpose of making this system is so that animal owners can find animal care centers according to their wishes. There are two users who play a role in this system, namely animal owners and animal day care workers. The animal owner's user system can determine a message schedule to entrust animals to the care feature and choose the cage to be occupied. The advantage of this feature is that pet owners can also know the condition of their pets, because each officer will send information. Through testing this system, it is known that there are about 73% of users who want to use this system. This system helps people who have pets not to worry about doing care.
Development and Validation of "Merdeka": An Augmented Reality-Based Board Game for Indonesian History Learning Grace Levina Dewi; Mikhael Setiawan; Alan David Prayogi
Jurnal Paedagogy Vol. 13 No. 1 (2026): January
Publisher : Universitas Pendidikan Mandalika

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/jp.v13i1.18285

Abstract

This study aims to develop and evaluate the feasibility of an educational board game, Merdeka, integrated with Augmented Reality (AR) technology as a history learning medium for junior high school students aged 13–15 years. The study employed a development research method using the Game Development Life Cycle (GDLC) model, which consists of six stages: initiation, pre-production, production, alpha testing, beta testing, and release. The feasibility of the product was assessed using a three-pronged evaluation approach: validation by material and media experts, black-box functionality testing of the AR application, and a limited beta trial involving 24 junior high school students. Data were analyzed using descriptive quantitative techniques based on Likert-scale scoring. The expert validation results indicated a “highly feasible” category, with average feasibility scores of 89.44% from material experts and 85.71% from media experts. The user trial results also demonstrated a very high level of acceptance, achieving a feasibility score of 84.8%. These findings indicate that the enjoyable gameplay experience and the integration of AR technology constitute the primary strengths of the product. In conclusion, the Merdeka educational board game is a valid, functional, and well-received learning medium and is therefore suitable for implementation and broader dissemination.
Model Aplikasi Sistem E-Commerce untuk Rekomendasi dan Pemantauan Harga Produk Penjual Grace Levina Dewi; Brigitta Angeline; Andrew Jonathan Hadikusuma; Kevin Setiono; Mikhael Setiawan; Suhatati Tjandra; Hendrawan Armanto
Jutisi : Jurnal Ilmiah Teknik Informatika dan Sistem Informasi Vol 14, No 3: Desember 2025
Publisher : STMIK Banjarbaru

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35889/jutisi.v14i3.3293

Abstract

Sellers on e-commerce platforms face difficulties in determining strategic pricing due to dynamic competition. To address this problem, an integrated system application model was developed as a solution to assist sellers. This research utilized the Research and Development (R&D) methodology with a waterfall model, which included the stages of needs analysis, system design, implementation, performance verification and data analysis, and final evaluation and revision. The result is a functional application capable of providing features such as search, strategic price recommendations at three levels (lowest, average/middle, highest), viewing more detailed information about products sold in graphical form, and other features. Usability testing conducted on target users yielded average scores of 95.54% for free-type customers, 91.26% for premium-type customers, and 96.8% for buyer-type cutomers. This indicates excellent ease of use and a high level of acceptance. This website model proved to be an effective and practical tool for sellers to establish competitive pricing strategies.Keywords: E-commerce; Price Monitoring; Strategic Pricing; Research and Development; Recommender System AbstrakPenjual pada platform e-commerce menghadapi kesulitan dalam menentukan harga strategis akibat persaingan dinamis. Untuk mengatasi masalah ini, sebuah model aplikasi sistem terintegrasi dikembangkan sebagai solusi untuk membantu penjual. Penelitian ini menggunakan metodologi Research and Development (R&D) dengan waterfall yang mencakup tahap analisis kebutuhan; perancangan sistem; implementasi; verifikasi kinerja dan analisis data; dan evaluasi akhir dan revisi. Hasilnya adalah sebuah aplikasi fungsional yang mampu menyediakan fitur pencarian, rekomendasi harga strategis pada tiga level (terendah, rata-rata/menengah, tertinggi), melihat informasi lebih detail mengenai produk yang dijual dalam bentuk grafik, dan fitur lainnya. Pengujian usabilitas menggunakan usability testing terhadap target pengguna menghasilkan skor rata-rata 95,54% pada customer yang bertipe gratis, 91,26% untuk pengguna bertipe premium, dan 96,8% pengguna yang bertipe pembeli. Hal ini yang mengindikasikan kemudahan penggunaan dan tingkat penerimaan sangat baik. Model website ini terbukti menjadi alat bantu yang efektif dan praktis bagi penjual untuk menetapkan strategi harga kompetitif. 
Co-Authors Alan David Prayogi Alfira Jessica Andrew Jonathan Hadikusuma Ardhi, Setya Brigitta Angeline Cahyani Styoningrum, Indah Hendrawan Armanto Kevin Setiono Mikhael Setiawan Ricardo Setya Ardhi Suhatati Tjandra