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International Journal of Education, Science, Technology, and Engineering (IJESTE)
Published by Lamintang Education & Training Centre
ISSN : 26851458     EISSN : 26849844     DOI : https://doi.org/10.36079/lamintang.ijeste
Core Subject : Science, Education, Engineering,
Computer Science & IT Education Engineering
International Journal of Education, Science, Technology, and Engineering (IJESTE) is a peer-reviewed journal that aims at the publication and dissemination of original research articles on the latest developments in all fields of Education, Science, Technology and Engineering.
Arjuna Subject : -
Articles 63 Documents
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Fostering Innovation and Methodology through Experiential Learning for Data Structures Dr., Anitha Kumari; Dr., Nanda Gopal; Padmashani, Padmashani
International Journal of Education, Science, Technology, and Engineering (IJESTE) Vol 4 No 1 (2021)
Publisher : Lamintang Education and Training Centre, in collaboration with the International Association of Educators, Scientists, Technologists, and Engineers (IA-ESTE)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36079/lamintang.ijeste-0401.176

Abstract

For real-life work environment, developing employability skills by the students’ community is indispensable and need of the hour. Laboratories associated with courses cultivate the ability of students to think independently and promote employability skills through experiential learning. Data structures are one such predominant course in IT/CSE domain to enhance the skill set of students for Placements/Higher studies. It provides opportunity for students to devise algorithms efficiently in an optimal manner by solving challenging problems easily thereby gaining confidence for attending placements. The purpose of this paper is to foster innovation by exploration in data structures course through experiential learning by providing coding based challenging questions as tutorials, assignment presentations and as activities during laboratory sessions and online classes are to be conducted as an essential one in the future learning perspective. Findings conclude that the experiential learning foster student’s abilities in solving the problem and thereby gaining confidence during e-learning and placement activities and the grading process are to be updated through centralized servers to the maximum extend and accuracy are to be maintained.
A Systematic Review of Mobile-Based Assessment Acceptance Studies from 2009 To 2019 Alrfooh, Ali; Lakulu, Muhammad Modi
International Journal of Education, Science, Technology, and Engineering (IJESTE) Vol 4 No 1 (2021)
Publisher : Lamintang Education and Training Centre, in collaboration with the International Association of Educators, Scientists, Technologists, and Engineers (IA-ESTE)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36079/lamintang.ijeste-0401.195

Abstract

Despite many studies being conducted on mobile learning acceptance, few investigate mobile-based assessment acceptance. The objectives of this research are to provide valuable insights into current research on mobile-based assessment literature, and to identify the main gaps in the mobile-based assessment acceptance literature. Therefore, the present study systematically reviews 48 previous studies and eight articles related to mobile-based assessment acceptance to provide a comprehensive analysis of the articles published from 2009 to 2019. Findings indicate that majority of mobile-based assessment studies focused on evaluating the effectiveness and performance of mobile-based assessment system and conducted at the secondary school level. In addition, this study identified several gaps. Further research is needed to study the acceptance problem of a mobile-based assessment system. More investigation is required to predict which external factors that can enhance the acceptance and use of mobile-based assessment among students. The findings of this review study provide a valuable reference for researchers about the current trend of mobile-based assessment research as well as the research gaps that should be covered in future studies.
Machine Maintenance Design using Markov Chain Method to Reduce Maintenance Costs Syakhroni, Akhmad; Adi Darmawan, Rizka Fajar; Marlyana, Novi
International Journal of Education, Science, Technology, and Engineering (IJESTE) Vol 4 No 1 (2021)
Publisher : Lamintang Education and Training Centre, in collaboration with the International Association of Educators, Scientists, Technologists, and Engineers (IA-ESTE)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36079/lamintang.ijeste-0401.224

Abstract

PT. XYZ is a company that focuses on construction with ready mix concrete product (cast). The problem faced by the company is that the schedule is not suitable for machine maintenance activities so that it still results in high maintenance costs incurred by the company. By using the markov chain method can plan maintenance time in order to reduce downtime so as to minimize maintenance costs. The results obtained by the proposal for the company are for proposal I it takes 49.78 hours = 50 hours at a cost of Rp. 16,984,605, the cost savings of Rp. 73,545,395 (81.24%). Schedule for each machine such as wheel loaders every 14,009 hours, batching plant machines every 16,604 hours, truck mixer machines every 19,168 hours. Scheduling the second proposal will take 26.62 hours = 27 hours at a cost of Rp. 9,080,664, the cost savings of Rp. 81,449,336 (89.97%). Schedule for every machine such as wheel loaders every 7,490 hours, batching plant machines every 8,877 hours, mixer truck machines every 10,248 hours. Judging from the results obtained, the recommendation given is
The Damage Control of Liquid Waste Pumping Machines in Palm Oil Companies Tumanggor, Agustina Hotma Uli; Syarief, Akhmad; Atmana, Fendy Ari
International Journal of Education, Science, Technology, and Engineering (IJESTE) Vol 4 No 2: December 2021
Publisher : Lamintang Education and Training Centre, in collaboration with the International Association of Educators, Scientists, Technologists, and Engineers (IA-ESTE)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36079/lamintang.ijeste-0402.287

Abstract

X is a company that works in the field of oil palm plantations and has a palm oil production capacity of 60 tons per hour. The products of palm oil that have been produced are Crude Palm Oil (CPO) and Palm Kernel Oil (PKO). The various kinds of waste produced by the company as a result of the palm oil industry process are liquid waste, palm kernels, fiber and seed shells. Liquid waste is used as organic fertilizer for oil palm plantations which will be sent through a liquid waste pump machine. Damage that occurs to the liquid waste pump machine will inhibit the delivery of liquid waste to the plantation, thus affecting the yield of palm oil from the plantation itself. This study describes the application of repair and preventive maintenance policies for liquid waste pump machines by looking at the frequency of damage to the liquid waste pump engine and predicting the delivery of liquid waste to the pump engine for the next period as well as providing solutions for handling damage that occurs in the liquid waste pump engine. From the results of calculations on data processing, the results of how to control the causes of damage that occur in the liquid waste pump machine can be overcome by using the Preventive Maintenance Method within a period of 1 month and maintenance of every component in the liquid waste pump machine within 1 cycle, namely 357.27 hours with a repair time of 5.82 hours. Controlling other causes of damage is to add a filter to the liquid waste pool so that stones, leaves and liquid waste husks do not hinder the suction pipe of the liquid waste pump machine.
Comparative Study of the Influence of Full and Partial Halo Geomagnetic Storms on High Latitude Ionosphere Obiegbuna, Dominic Chukwuebuka; Okeke, Francisca Nneka; Okpala, Kingsley Chukwudi; Orji, Orji Prince; Egba, Gregory Ibeabuchi; Ugonabo, Josephine Obiageli
International Journal of Education, Science, Technology, and Engineering (IJESTE) Vol 4 No 2: December 2021
Publisher : Lamintang Education and Training Centre, in collaboration with the International Association of Educators, Scientists, Technologists, and Engineers (IA-ESTE)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36079/lamintang.ijeste-0402.299

Abstract

We have studied and compared the effects of full and partial halo geomagnetic storms on the high latitude ionosphere. The study used the total electron content (TEC) data obtained from the global positioning system (GPS) to examine the level of response of high latitude ionosphere around Ny Alesund, Norway to full and partial halo geomagnetic storms of June 23rd 2015 and January 1st 2016 respectively. This study was carried out using a dual frequency ground based GNSS observations at high latitude (NYAL: 78.56oN, 11.52oE) ionospheric station in Norway. The vertical TEC (VTEC) was extracted from Receiver Independent Exchange (RINEX) formatted GPS-TEC data using the GOPI Software developed by Seemala Gopi. The GOPI software is a GNSS-TEC analysis program which uses ephemeris data and differential code biases (DCBs) in estimating slant TEC (STEC) prior to its conversion to VTEC. From the results, the responses of the high latitude before the storm days were more positive than on the storm days. Also the overall response of the high latitude to the full halo geomagnetic storm was more positive with more impact than that of the partial halo geomagnetic storm.
Potential of Hyacinth Activated in Lowering Levels of Lead Heavy Metals by Method of Atomic Absorption Spectrophotometry Wardani, Dita Kusuma; Alawiyah, Tuti; Tambun, Madschen Sia Mei Ol Siska Selvija
International Journal of Education, Science, Technology, and Engineering (IJESTE) Vol 4 No 2: December 2021
Publisher : Lamintang Education and Training Centre, in collaboration with the International Association of Educators, Scientists, Technologists, and Engineers (IA-ESTE)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36079/lamintang.ijeste-0402.319

Abstract

The Barito River as the largest and longest river in South Kalimantan has been convicted as the most polluted river on an international level. Where one of the most commonly found compounds is the heavy metal lead (Pb) with a high enough levels that alternatives are needed to reduce the levels of the metal. One way to reduce the levels of such heavy metals is to use activated carbon hyacinth. So the activated carbon from hyacinth is made in accordance with SII No.0258-79 and knows the effect of variations in the administration of activated carbon hyacinth at a time of 15 minutes, 30 minutes and 45 minutes in lowering the levels of lead heavy metals (Pb). The research method used to determine the effect of variations in the administration of activated carbon hyacinth is by quantitative testing using the Atomic Absorption Spectrophotometry tool. The results showed that activated carbon hyacinth has met SII No.0258-79 with a randemen test result of 15%, water content of 3%, and absorption of iodine of 241.16 mg / gram. Significant value produced 0.742 with regression value (r) 0.999 and resulted in decreased lead metal levels in the variation of 15 minutes activated carbon administration of -0.030 mg / l with an absorption of 120%, 30 minutes of 0.073 mg / l with an absorption of 48% and 45 minutes of -0.097 mg / l with an absorption of 167%. Hyacinth activated carbon can be used to lower the levels of lead heavy metals (Pb) with a maximum contact time of 45 minutes by 167%.
Information Technology Governance of UMKM in Kasasiur Banjar Rasati, Adinda; Rismawati; Hardianti, Siti Gadis
International Journal of Education, Science, Technology, and Engineering (IJESTE) Vol 4 No 2: December 2021
Publisher : Lamintang Education and Training Centre, in collaboration with the International Association of Educators, Scientists, Technologists, and Engineers (IA-ESTE)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36079/lamintang.ijeste-0402.320

Abstract

One form of information technology management for UMKM in order to expand business networks, marketing and carrying out business processes is the use of the Cobit 5 framework. The benefits and maturity level of IT management are benchmarks for the direction of development and utilization strategies for UMKM. The purpose of this study was to assess the position of Kasasiur Banjar SMEs regarding implementation and targets to be achieved in the future. The result of the assessment is the maturity level of the current IT management position (existing). Furthermore, maturity targets will be determined for each selected IT process to be used as guidelines for the Kasasiur Banjar UMKM group in IT utilization. Maturity level assessment uses the domains EDM3, EDM4, APO7, DSS3, DSS6, and MEA1 with the calculation model referring to ISO/IEC 15504. Assessment results Maturity level related to IT development strategy is at level 1 (1.21), which is Performed. This means that Kasasiur Banjar SMEs have a concern for good IT management and processes have been implemented and achieved goals. The direction of governance development in UMKM Kasasiur Banjar is targeted to reach level 5, namely Optimizing.
Development and Application of Nanoparticle Technology in Herbal Drug Formulation- A Review Hatmayana, Roosma; Nabillah, Syafira; Windy, Yuditha; Noval
International Journal of Education, Science, Technology, and Engineering (IJESTE) Vol 4 No 2: December 2021
Publisher : Lamintang Education and Training Centre, in collaboration with the International Association of Educators, Scientists, Technologists, and Engineers (IA-ESTE)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36079/lamintang.ijeste-0402.321

Abstract

Formulations of Herbal medicine are continuously being developed to improve health and treatment through natural ingredients obtained from the surrounding environment with scientific evidence. Common problems in herbal medicine are bioavailability, solubility, absorption of active substances and low stability. Recently, it has become a development trend to enter the realm of nanoparticle technology to its application in herbal drug formulations. Nanoparticle technology is a technology of drug particles are made on the nanoscale (10 nm-1000 nm). Many studies have been carried out on the development and application of nanoparticle-based delivery technology containing natural ingredients, from these results nanoparticle-based delivery technology has succeeded in delivering these natural materials through certain mechanisms in increasing the activity and bioavailability of herbal medicinal compounds. Particles at the nanoparticle scale have distinctive physical properties compared to particles at a larger size, especially in increasing the amount and purpose of delivering drug compounds. Another advantage of nanoparticle technology is the potential to be combined with other technologies, thus opening up opportunities to produce more perfect and targeted delivery systems. Examples of nanotechnologies that can be used are polymer nanoparticles, solid lipid particles, magnetic nanoparticles, and others. The manufacture of preparations based on nanoparticle technology is an alternative in the manufacture of herbal medicines and it is hoped that the bioavailability and therapy produced in the body will be better.
Exploring the English Language Skills Needed at Engineering Companies Aswirawan, Maria Yosefina Meinadia Sekar Kinanti; Lawi, Ansarullah
International Journal of Education, Science, Technology, and Engineering (IJESTE) Vol 5 No 1: June 2022
Publisher : Lamintang Education and Training Centre, in collaboration with the International Association of Educators, Scientists, Technologists, and Engineers (IA-ESTE)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36079/lamintang.ijeste-0501.344

Abstract

This paper reports the results of an English language needs analysis carried out at different multinational engineering companies in Batam, Indonesia. Through the implementation of needs analysis questionnaire to 50 engineers from various engineering companies, the perceived importance and frequency of linguistic needs of learners in terms of skills and sub-skills are specified. The results show that most engineers perceived reading as the most important skill, followed by listening, writing, and speaking; whereas, in terms of frequency, reading has also been perceived as the most frequent skill, followed by listening, writing and speaking. Emphasis should be put on receptive skills (a total mean score of 16.048) rather than productive skills (a total mean score of 15.423). However, findings also depict those engineers considered some of the oral communicative event(s) such as reporting work to superiors to be very frequent at work. The implications of the findings indicate that materials design and development should consider the incorporation of workplace scenarios as the basis for activities.
Fight against Obesity Mobile Application Qin, Ching Zhen; Muhamad Adnan, Muhamad Hariz
International Journal of Education, Science, Technology, and Engineering (IJESTE) Vol 5 No 1: June 2022
Publisher : Lamintang Education and Training Centre, in collaboration with the International Association of Educators, Scientists, Technologists, and Engineers (IA-ESTE)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36079/lamintang.ijeste-0501.370

Abstract

The focus of this research was basic workout guide which provide steps for workout, suggested healthy nutrition and information about health disease. The target user of this research was the adult who confront with overweight and obesity problem. Workout is a set of energetic action or exercise that people can do it everywhere. This research aimed to help the target user to practice the healthy lifestyle by starting workout and eating with balance nutrition. The software of this research will be performed in mobile application. A quantitative method is used to collect the data on user acceptance on the developed mobile application. There were 30 respondents from UPSI invited to answer the questionnaire after using the Fight against Obesity mobile application. The result showed overall mean equal to 4.07, which mean the majority respondents were accept Fight against Obesity Mobile Application. For adult who owned a mobile phone, they can just download this mobile application and start to train themselves to be discipline and solving their weight problem.

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