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All Journal Prosiding University Research Colloquium Innovative: Journal Of Social Science Research
Harwati, Harwati
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Humanities Computer Science & IT Environmental Science Law, Crime, Criminology & Criminal Justice Medicine & Pharmacology Public Health Other

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Implementation of the Blended Learning Method in Mathematics Learning during the Covid-19 Pandemic Issholikhah, Lailatun Nissa; Harwati, Harwati; Shalikhah, Norma Dewi
Prosiding University Research Colloquium Proceeding of The 15th University Research Colloquium 2022: Bidang Pendidikan, Humaniora dan Agama
Publisher : Konsorsium Lembaga Penelitian dan Pengabdian kepada Masyarakat Perguruan Tinggi Muhammadiyah 'Aisyiyah (PTMA) Koordinator Wilayah Jawa Tengah - DIY

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Abstract

The rapid spread of COVID-19 in Indonesia has caused all learning activities to be shifted online. Learning mathematics online encountered several obstacles and then implemented it using blended learning. This study aims to determine the implementation of the blended learning method in mathematics learning and the obstacles in the implementation of blended learning mathematics. The method used is qualitative with a descriptive approach. Data collection techniques are observation and interviews. The research subjects were the principal, 5th grade mathematician and 5th grade students. The research location was at MI Muhammadiyah Sriwedari. Muntilan Magelang. The results of this study are the implementation of learning at MI Muhammadiyah Sriwedari during the Covid-19 pandemic using Blended Learning, namely online learning using whatsapp and youtube media, while offline learning is carried out with strict procedures and short learning times, and is carried out in two shifts. In conclusion, this blended learning method can help educators and students to develop better in the learning process, according to learning styles, preferences in learning and the characteristics of students in receiving the material presented.
Project Feasibility Study of PLN Electricity Installation in Palm Oil Mill Dila, Novita Ratna; Harwati, Harwati
Innovative: Journal Of Social Science Research Vol. 4 No. 4 (2024): Innovative: Journal Of Social Science Research
Publisher : Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/innovative.v4i4.14188

Abstract

X is a Palm Oil Mill in North Kalimantan with 60 tons/hour operating capacity. PT. X processes Fresh Fruit Bunch from its own plantation into Crude Palm Oil and Palm Kernel. In its operational activities, PT. X requires electricity to operate production machines, lighting, and other operational needs. Currently, the electricity requirement for its operations uses 2000 kVA Steam Turbine with 400 kVA and 1029 kVA Generators. However, using generators requires high costs, especially diesel costs. Therefore, PT. X is considering other alternatives to reduce electricity costs by installing electricity from PT Perusahaan Listrik Negara (PLN). The PLN electricity installation project at PT. X requires expensive investment costs, for the cost of the cost of building PLN substations, customer substations, and installing electrical devices and digging cables. The project feasibility study is required based on non-financial and financial aspects. Based on non-financial aspects (legal, environment, technical, and management), using PLN electricity is more profitable than using generator. Project feasibility study of the financial aspect calculated in 10 years period. Based on the financial aspect, the Internal Rate of Return (IRR) is 72.2%, Net Present Value (NPV) is Rp. 17,285,538,368.50, Payback Period (PP) is 2 years, and Return on Investment (ROI) is 133.05%. So, this PLN electricity installation project is feasible and profitable for the Palm Oil Mill.
Co-Authors Dila, Novita Ratna Issholikhah, Lailatun Nissa Norma Dewi Shalikhah