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All Journal BAREKENG: Jurnal Ilmu Matematika dan Terapan Land Journal
Santi, Neng
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Computer Science & IT Control & Systems Engineering Economics, Econometrics & Finance Energy Engineering Mathematics Mechanical Engineering Physics Transportation

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PENGARUH DIGITAL MARKETING DAN ELECTRONIC WORD OF MOUTH TERHADAP TINGKAT PENJUALAN HB COLLECTION DI SHOPEE Santi, Neng; Komalasari, Yunika; Yuliyana, Wulan
LAND JOURNAL Vol. 6 No. 2 (2025): Juli 2025
Publisher : Universitas Logistik dan Bisnis Internasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47491/landjournal.v6i2.4348

Abstract

Digital marketing is a marketing strategy carried out online to increase the visibility and attractiveness of products, while electronic word of mouth is informal communication between consumers via digital media that can influence purchasing decisions. This research aims to find out the picture of digital marketing, electronic word of mouth and sales levels. Then, to test the partial influence of digital marketing on sales levels, electronic word of mouth on sales levels, and simultaneously the influence of digital marketing and electronic word of mouth on HB Collection sales levels on Shopee. The data analysis technique uses descriptive verification with a non-probability sampling method of 100 respondents. The research results show that digital marketing and electronic word of mouth have a significantly positive effect on the level of HB Collection sales on Shopee.
SOME MODIFICATIONS OF CHEBYSHEV-HALLEY’S METHODS FREE FROM SECOND DERIVATIVE WITH EIGHTH-ORDER OF CONVERGENCE Muda, Yuslenita; Santi, Neng; Wartono, Wartono; Muhafzan, Muhafzan
BAREKENG: Jurnal Ilmu Matematika dan Terapan Vol 16 No 2 (2022): BAREKENG: Jurnal Ilmu Matematika dan Terapan
Publisher : PATTIMURA UNIVERSITY

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (501.493 KB) | DOI: 10.30598/barekengvol16iss2pp531-538

Abstract

The variant of Chebyshev-Halley’s method is an iterative method used for solving a nonlinear equation with third order of convergence. In this paper, we present some new variants of three steps Chebyshev-Halley’s method free from second derivative with two parameters. The proposed methods have eighth-order of convergence for and and require four evaluations of functions per iteration with index efficiency equal to . Numerical simulation will be presented by using several functions to show the performance of the proposed methods.
Co-Authors Komalasari, Yunika Muhafzan Muhafzan Wartono Wartono Wulan Yuliyana, Wulan Yuslenita Muda