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All Journal CAUCHY: Jurnal Matematika Murni dan Aplikasi Community Development Journal: Jurnal Pengabdian Masyarakat Jurnal Ilmiah Agribios Engineering and Technology International Journal (EATIJ)
Edy Wihardjo
Program Studi Matematika, FKIP, Universitas Jember
Aerospace Engineering Agriculture, Biological Sciences & Forestry Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Engineering Environmental Science Health Professions Industrial & Manufacturing Engineering Mathematics Mechanical Engineering Public Health Social Sciences

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Aplikasi Pengorderan Gas Pada PT. XYz Berbasis Web: Gas Ordering Application at PT. XYz Web Based Nurhayati Nurhayati; Muhammad Muhammad; Edy Wihardjo
Engineering and Technology International Journal Vol 3 No 03 (2021): Engineering and Technology International Journal (EATIJ)
Publisher : YCMM

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (2.936 KB) | DOI: 10.55642/eatij.v3i03.101

Abstract

This study aims to create a Gas Ordering Application at PT. xyz Web-based in helping companies to perform more efficiently and the system is easy to use by employees/accounting. The design is targeted to increase the interest of the company's performance, especially in data input and file storage. The design process takes 3 (three) months. The object of the activities carried out is in the form of interviews and direct observations in the field to see the circumstances and situations that occur, how the educational process has been going on so far. From the conditions that occur in the field in the form of recording the flow of documents, it is done by taking notes and inputting it into a computerized form in Microsoft Excel. Conclusions and suggestions on this application are in order to improve company performance and facilitate data input and file storage when doing work.
on Graceful Chromatic Number of Vertex amalgamation of Tree Graph Family Arika Indah Kristiana; Ahmad Aji; Edy Wihardjo; Deddy Setiawan
CAUCHY: Jurnal Matematika Murni dan Aplikasi Vol 7, No 3 (2022): CAUCHY: JURNAL MATEMATIKA MURNI DAN APLIKASI
Publisher : Mathematics Department, Universitas Islam Negeri Maulana Malik Ibrahim Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18860/ca.v7i3.16334

Abstract

Proper vertex coloring c of a graph G is a graceful coloring if c is a graceful k-coloring for k∈{1,2,3,…}. Definition graceful k-coloring of a graph G=(V,E) is a proper vertex coloring c:V(G)→{1,2,…,k);k≥2, which induces a proper edge coloring c':E(G)→{1,2,…,k-1} defined c'(uv)=|c(u)-c(v)|. The minimum vertex coloring from graph G can  be colored with graceful coloring called a graceful chromatic number with notation χg (G). In this paper, we will investigate the graceful chromatic number of vertex amalgamation of tree graph family with some graph is path graph, centipede graph, broom and E graph.
MATHEMATICS LEARNING STRATEGIES FOR ELEMENTARY SCHOOL STUDENTS DURING THE COVID-19 PANDEMIC Wati Asriningsih Pranoto; Karno Diantoro; Edy Wihardjo; Juni Susanti Banurea; Fitri Hidayati
Community Development Journal : Jurnal Pengabdian Masyarakat Vol. 4 No. 2 (2023): Volume 4 Nomor 2 Tahun 2023
Publisher : Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/cdj.v4i2.13412

Abstract

This study aims to determine mathematics learning strategies for elementary school students during the Covid-19 Pandemic and determine the supporting and inhibiting factors in online learning. This research uses a qualitative descriptive method by describing mathematics learning strategies during the Covid-19 Pandemic. The results showed that mathematics teachers had used various learning strategies to strive for the learning process to be carried out during the Covid-19 Pandemic. These learning strategies are Online learning, Home visits in high grades and direct learning strategies, and Study Clubs at low rates. They are supporting and inhibiting factors in mathematics learning during the  Covid-19 Pandemic, namely (1) supporting factors in online learning, namely the existence of mobile phones as a medium that supports learning, the existence of quotas, the existence of book facilities from schools, and the existence of applications that facilitate us in teaching and learning activities online; and (2) inhibiting factors. Namely, the implementation of Online learning in mathematics learning is less conducive, it is difficult to measure learning achievement, and it is difficult to ascertain whether it is purely the result of student work and media problems such as not all students having Android phones or laptops and internet quota, there is signal interference or complex signals, cannot meet face to face which causes parents and students to lack understanding of the explanation of the material presented,  It is challenging to do the questions given and less enthusiastic in following the process in online learning. The results of this research were then shown through service activities at SDN 174 Palembang.
KESADARAN MASYARAKAT PESISIR DALAM MENGELOLA SAMPAH Sri Subekti; Sutrisno Sutrisno; Edy Supriyanto; Aryo Fajar Sunartomo; Dina Dyah Kusumayanti; Edy Wihardjo; Muhammad Iqbal; Elyda Akhya Afida Misrohmasari; Mochamad Edoward Ramadhan
AGRIBIOS Vol 21 No 1 (2023): JUNI
Publisher : Program Studi Agribisnis Fakultas Pertanian

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36841/agribios.v21i1.2442

Abstract

Sampah masih menjadi permasalahan yang belum teratasi dengan maksimal hingga saat ini. Permasalahan sampah di Indonesia tidak hanya terjadi di kawasan pemukiman dan industri namun juga menjadi permasalahan serius di kawasan pesisir. Banyaknya sampah dikawasan pesisir disebabkan oleh pembuangan sampah secara sembarangan di kawasan pantai serta aliran sungai dan aktivitas pariwisata. Tujuan penelitian untuk mengetahui kesadaran masyarakat dalam mengelola sampah. Penelitian dilakukan secara sengaja di pantai Payangan Desa Sumberejo Kecamatan Ambulu dan pantai Puger Desa Puger Kulon Kecamatan Puger Kabupaten Jember Jawa Timur. Metode penelitian menggunakan pendekatan kualitatif. Data dianalisis dengan metode Miles dan Huberman. Hasil penelitian menunjukan jenis sampah yang banyak ditemui adalah sampah organik dan anorganik. Sumber sampah berasal dari rumah tangga, sungai, pedagang ikan, nelayan serta home industri pembuatan kapal nelayan dari kayu. Cara membuang sampah yang dilakukan masyarakat adalah dengan dibuang ke pekarangan, sungai, laut. Kesadaran dan pemahaman masyarakat dalam mengelola sampah masih rendah. Belum ada sosialisasi mengenai pengelolaan sampah yang baik dan benar.
Co-Authors Ahmad Aji Arika Indah Kristiana Aryo Fajar Sunartomo Deddy Setiawan Edy Supriyanto Elyda Akhya Afida Misrohmasari Fitri Hidayati Juni Susanti Banurea Karno Diantoro Kusumayanti, Dina Dyah Mochamad Edoward Ramadhan Muhammad Iqbal Muhammad Muhammad Nurhayati Nurhayati Subekti, Sri Sutrisno Sutrisno Wati Asriningsih Pranoto