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All Journal Jurnal Publikasi Sistem Informasi dan Manajemen Bisnis Journal of Lesson Study and Teacher Education
Kusnita Kusnita
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Computer Science & IT Decision Sciences, Operations Research & Management

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ANALISIS PEMAHAMAN SISWA TERHADAP NILAI MUTLAK MElALUI LESSON STUDY Arim Wibowo; Dina Martini; Kusnita Kusnita; Yusrin Yusrin; Eny Winaryati
Journal of Lesson Study in Teacher Education Vol. 2 No. 1 (2023): Volume 2 No 1 2023
Publisher : LitbangMu Jawa Tengah and Teacher Professional Education UNIMUS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51402/jlste.v2i1.114

Abstract

Pemahaman konsep adalah kemampuan siswa dalam mereprestasikan pengetahuan yang dimiliki terhadap masasalah baru. Konsep matematika diantaranya adalah nilai mutlak. Siswa dalam memahami nilai mutlak harus mampu mendalami unsur-unsurnya. Nilai mutlak dibangun dari kemampuan aljabar dan geometris. Konsep nilai mutlak adalah dasar pembangun beberapa konsep dalam kalkulus seperti limit. Siswa memahami nilai mutlak mampu mendefinisikan konsep nilai mutlak secara tepat, mampu mengidentifikasi unsur-unsur pembangun konsep, mampu menyelesaikan permasalahan yang berkaitan nilai mutlak beserta indetifikasi himpunan penyelesaianya. Oleh karena itu, tujuan penelitian ini adalah menganalisis pemahaman siswa terhadap konsep nilai mutlak. penelitian ini merupakan penelitian kualitatif. Subjek penelitian ini adalah siswa yang telah mempelajari nilai mutlak yang mampu mengkumunikasikan secara lisan dan tulisan. Hasil dari penelitan menunjukan bahwa siswa belum secara lengkap memahami nilai mutlak dari konsepnya. Hal ini disebabkan siswa belum mampu mengaitkan unsur-unsur pembangun konsep nilai mutlak.
Rancang Bangun Sistem Informasi Penjualan Toko FJ Store Berbasis Website Fikri Junaidi; Junius Junius; Kusnita Kusnita
Jurnal Publikasi Sistem Informasi dan Manajemen Bisnis Vol. 5 No. 3 (2026): September : Jurnal Publikasi Sistem Informasi dan Manajemen Bisnis
Publisher : Pusat Riset dan Inovasi Nasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/jupsim.v5i3.7894

Abstract

The development of information technology has encouraged businesses to utilize web-based information systems to improve operational efficiency and expand market reach. Toko FJ Store is a digital product retail business that previously relied on third-party marketplace platforms for sales activities, resulting in limitations in product management, transaction control, and fund withdrawal processes. This study aims to design and develop a web-based sales information system for Toko FJ Store to support independent and structured sales management. The research method used is Research and Development (R&D) with the Waterfall system development model, consisting of requirements analysis, system design, implementation, testing, and maintenance. Data collection was conducted through observation, interviews, questionnaires, and documentation. The system was developed using PHP programming language and MySQL database, with system testing performed using Black Box Testing. The results show that the developed system is capable of managing digital products, customer data, transactions, payments, and sales reports effectively. The implementation of this system helps Toko FJ Store reduce dependence on third-party platforms and improves flexibility, efficiency, and control in managing online sales activities.
Co-Authors Arim Wibowo Dina Martini Eny Winaryati Fikri Junaidi Junius Junius Yusrin Yusrin