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All Journal Desimal: Jurnal Matematika Da'watuna: Journal of Communication and Islamic Broadcasting Journal of Mathematics and Scientific Computing With Applications Jurnal Kiprah Pendidikan Managere: Indonesian Journal of Educational Management
Sari, Dinda Permata
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Religion Humanities Education Languange, Linguistic, Communication & Media Mathematics Social Sciences Other

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PERSEPSI GURU TENTANG KEMAMPUAN MANAJERIAL KEPALA SEKOLAH DAN MOTIVASI KERJA TERHADAP KINERJA GURU SD MUHAMMADIYAH SE KOTA BANDAR LAMPUNG Sari, Dinda Permata; Akmansyah, Muhammad; Rinaldi , Achi
Managere: Indonesian Journal of Educational Management Vol. 3 No. 1 (2021): Januari-April
Publisher : Perkumpulan Manajer Pendidikan Islam (PERMAPENDIS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (289.836 KB) | DOI: 10.52627/managere.v3i1.78

Abstract

The focus of this study was to determine the effect of teacher perceptions about the principal's managerial ability and work motivation on the performance of teachers at Muhammadiyah Elementary School in Bandar Lampung City. This research uses associative quantitative research with a total population of 123 teachers and a sample of 94 teachers. The data collection technique used a questionnaire. The data were analyzed using simple linear regression analysis and multiple linear regression analysis. The results showed that the effect of teacher perceptions about the principal's managerial ability and work motivation on teacher performance was 54.9% while the remaining 45.1% was influenced by other factors. So it can be concluded that the better the teacher's perception of the principal's managerial ability and work motivation, the higher the teacher's performance.
Analisis Perkembangan Literasi Digital terhadap Perilaku Penulusuran Informasi Ilmiah di Instagram pada Mahasiswa UINSU Ananda, Trie; Purwaningtyas, Franindya; Sari, Dinda Permata
Da'watuna: Journal of Communication and Islamic Broadcasting Vol 3 No 3 (2023): Da'watuna: Journal of Communication and Islamic Broadcasting
Publisher : Institut Agama Islam Nasional Laa Roiba Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (570.627 KB) | DOI: 10.47467/dawatuna.v3i3.3102

Abstract

Information search behavior is an attitude or action in seeking or finding the information needed. Information search behavior is important to do to get the required information that can help in solving problems. Kriklas (2006: 16), argues that information seeking behavior is an activity in determining and identifying messages to satisfy perceived information needs. The method used in this research is a qualitative research method to describe the nature of the problems being monitored. Sulistyo-Basuki (2006: 78) describes qualitative research intending to get a complete reflection of things for the thoughts of people being watched. This research results that in the search for information, it is included in the novice category. Because according to Hsieh Yee, a novice information seeker is a non-professional searcher who has no experience in searching or has never attended college or practiced online searching. Keywords: Media Sosial, Information Searching Behavior, Instagram
APPLICATION OF THE FORWARD RECURSIVE EQUATION MODEL ON WASTE TRANSPORTATION ROUTES IN MEDAN JOHOR DISTRICT USING DYNAMIC PROGRAMMING ALGHORITHM Hanum, Syarifah; Azura, Maudya Nur; Sari, Dinda Permata; Husein, Ismail
Journal of Mathematics and Scientific Computing With Applications Vol. 5 No. 1 (2024)
Publisher : Pena Cendekia Insani

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53806/jmscowa.v4i1.854

Abstract

Waste problems often occur in big cities such as Jakarta, Surabaya, Medan, Bandung, Yogyakarta and Semarang. Urban waste is waste produced by human activities in urban areas, including various types of materials such as plastic, paper, metal and organic materials. Therefore, waste needs to be collected, transported and disposed of immediately to prevent negative impacts on the environment. With the increase in population in urban areas, it is likely that the amount of waste will also increase. The solution that can be used to solve this problem is to optimize the distance using a dynamic programming model forward recursive equation algorithm. The application of dynamic programming can be used to solve various problems such as determining the shortest distance, optimal flow, task or resource scheduling, production planning, network optimization, and problems in research and development projects. Based on determining the optimal route for transporting waste in Medan Johor District using the dynamic programming algorithm forward recursive equation model, the total distance is 26,2km.
Analysis of optimization waste transportation using saving matrix and floyd warshall methods in Binjai Sari, Dinda Permata; Sari, Rina Filia
Desimal: Jurnal Matematika Vol. 7 No. 1 (2024): Desimal: Jurnal Matematika
Publisher : Universitas Islam Negeri Raden Intan Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24042/djm.v7i1.21887

Abstract

Waste is defined as anything that is not utilized or discarded. Waste is not something that happens by itself; instead, it is a product of human activity. Unresolved problems are often caused by waste. Binjai City's waste problem is one example. In Binjai City, waste transportation is done once a day. The capacity of the truck is only 6–8 m3 or 3-5 tons, so if it is full, the waste is immediately transported to the landfill. Then the collection of waste at each TPS is not possible. Optimization of waste transportation routes using Floyd Warshall and Saving Matrix techniques is one way to overcome this problem. When scheduling cars, the Savings Matrix approach can be used to combine multiple delivery points and take into account the maximum capacity of the vehicle. The Floyd Warshall method is a dynamic programming component that is well suited to solving route optimization problems and can find every potential path between any two locations. Based on an analytical procedure that includes the Floyd Warshall algorithm and the Saving Matrix. These two routes of 29.46 kilometers were first used by the Environmental Agency of Binjai City. 20.63 km is the overall distance when using Saving Matrix, and 23.55 km is the overall distance when using Floyd Warshall. This shows that the Saving Matrix approach is more successful in reducing travel costs and distance.
Analysis of Students' Errors in Solving Mathematics Story Problems on Multiplication and Division Sari, Dinda Permata; Riswari, Lovika Ardana; Santoso, Denni Agung
Jurnal Kiprah Pendidikan Vol. 4 No. 4 (2025): Jurnal Kiprah Pendidikan | Oktober 2025 (In Press)
Publisher : Program Studi Pendididikan Guru Sekolah Dasar Fakultas Keguruan dan Ilmu Pendidikan Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33578/kpd.v4i4.p673-683

Abstract

The background that forms the basis of this research is that some fourth-grade students of SDN 2 Dersalam Kudus still have difficulty in solving word problems related to multiplication and division. The problem in this research is the types of errors made by students when solving mathematical word problems related to multiplication and division. The aim of this research is to analyze and understand the types of errors that occur in fourth-grade students of SDN 2 Dersalam Kudus in solving word problems on multiplication and division. The method applied in this research is a descriptive qualitative approach, with the type of research in the form of a case study. The subjects in this research were three fourth-grade students of SDN 2 Dersalam Kudus in the 2024/2025 Academic Year. The data in this research were obtained through observation, interviews with teachers and students, and documentation. This study shows that students with high abilities do not make mistakes in solving story problems, while students with medium abilities make one type of mistake, and students with low abilities experience four types of mistakes in solving multiplication and division math story problems, so it is concluded that there are five types of mistakes that occur in students in the process of solving multiplication and division math story problems.
Co-Authors Achi Rinaldi Ananda, Trie Azura, Maudya Nur Denni Agung Santoso Hanum, Syarifah Ismail Husein, Ismail Lovika Ardana Riswari Muhammad Akmansyah Purwaningtyas, Franindya Rina Filia Sari, Rina Filia