Vol 1, No 4 (2021)

DOI: https://doi.org/10.52088/ijesty.v1i4

Table of Contents

Articles

Article Open Access
Emarketplace Performance Analysis Using PIECES Method
Munirul Ula, Rizal Tjut Adek, Bustami Bustami
PDF
1-6
Article Open Access
Examination of Gel Hand Sanitizer from Mangrove Leaves and Patchouli Oil Against Sthapylococcus Aureus
Fahreni Fahreni, Vivi Mardina, Indriaty Indriaty, Ramaidani Ramaidani
PDF
7-12
Article Open Access
Improving Quality Using The Kano Model in Overcoming Competition in The Service Industry
Meri Andriani, Heri Irawan, Nanda Rizqa Asyura
PDF
13-18
Article Open Access
Characteristics of Mixed Porus Asphalt with Combination of LDPE, CPO and PEN 60/70
Meidia Refiyanni, Chaira Chaira
PDF
19-24
Article Open Access
Analysis of Human Voice Spectrum based on Regional Accent in Vowels and Consonants
Puspa Indah Devitasari, Benazir Amalia Firdausy, Shobhi Al-Ghifari Azhary, Heru Kuswanto
PDF
25-30
Article Open Access
Analysis of The Mechanical Properties of Concrete Based on Fly Ash and Palm Oil Clinkers
L Opirina, Azwanda Azwanda, R Febrianto
PDF
31-35
Article Open Access
Production Capacity Requirements Planning Using The Capacity Method Requirement Planning
Sidik Permana, Meri Andriani, Dewiyana Dewiyana
PDF
36-40
Article Open Access
Space Transformation in Residential House Small Entrepreneurs Banana Sale
Rinaldi Mirsa, Muhammad Muhammad, Fidyati Fidyati, Eri Saputra, Muhammad Rumiza
PDF
41-50
Article Open Access
Monitoring the Dynamic Behavior of PCI Bridges Using Short Period Seismograph and CSI Bridge Modeling
Said Jalalul Akbar, Maizuar Maizuar, Khairullah Yusuf, Joni Arfiandi
PDF
51-58
Article Open Access
Sales Forecasting by Using Exponential Smoothing Method and Trend Method to Optimize Product Sales in PT. Zamrud Bumi Indonesia During the Covid-19 Pandemic
Virgin Wineka Nirmala, Dikdik Harjadi, Robi Awaluddin
PDF
59-64
Article Open Access
A Study of the Influence of Interior on Comfort in Outpatient Unit Waiting Room at Hospitals in Lhokseumawe
Effan Fahrizal, Muhammad Imam, Soraya Masthura Hassan, Eri Saputra
PDF
65-69
Article Open Access
Prediction of Land Erosion Events in the Down Stream Kreung Meureubo Watershed West Aceh District
Muhammad Ikhsan, Meylis Safriani, Cut Suciatina Silvia, Refvina Dari
PDF
70-76
Article Open Access
Identification Of Inhibiting Factors for Road Construction Using Sem Application In Kaway XVI Sub-District
Muhammad Isya, Meidia Refiyanni, Muhajir Muhajir
PDF
77-83
Article Open Access
Patterns of Forest Encroachment Behavior Based on Characteristics of Immigrants and Local Communities
Yurike Yurike, Yonariza Yonariza, Rudi Febriamansyah
PDF
84-89
Article Open Access
Fluctuation of Patchouli Oil Price and Its Effect On Patchouli Aceh Production and Productivity
Yusnidar Yusnidar, Irma Susanti, Jamilah Jamilah, Ellyta Effendy, Romano Romano
PDF
90-94
Article Open Access
Oyster Shell Waste (Crassostrea Gigas) as A Cheap Adsorbent for Adsorption Of Methylene Blue Dyes: Equilibrium and Kinetics Studies
Muhammad Muhammad, Meriatna Meriatna, Nia Afriani, Rizka Mulyawan
PDF
95-102
Article Open Access
Expert System for Diagnosis of Uterine Myomas using the Certainty Factor Method
Syahrizal Dwi Putra, M Bahrul Ulum, Diah Aryani
PDF
103-108
Article Open Access
Biodiesel Production from a Mixture of Rubber Seed Oil and Waste Oil Through the Alcoholysis Process with Catalysts Based on Vegetable Waste
I Ibrahim, A M Syam, M Muhammad, Zainuddin Ginting, S Maliki
PDF
109-113
Article Open Access
Desalination Technique on Seaweeds Hydrolysate Eucheuma Cottonii for Bioethanol Production
Jaini Fakhrudin, Dwi Setyaningsih, Mulyorini Rahayuningsih
PDF
114-120
Article Open Access
Supply Chain Risk Analysis With MAFMA Method Approach
Fatimah Fatimah, Indah Asmara, Sri Mutia, M Sayuti
PDF
121-125
Article Open Access
HDPE Recycled Plastic Composite with Cellulose Fiber Filler Based on Oil Palm Empty Fruit Bunches
Wawan Atmaja, Zulnazri Zulnazri, Agam Muarif, Willy W
PDF
126-130