Vol. 6 No. 1 (2023): Regular Issue

Articles

• Synthesis Optimization of Cathode Precursor Ni0,5 Mn0,4 Co0.1 (OH)2 with Coprecipitation Method

  Muhammad Abdul Razak, Anne Zulfia

  1-8

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  DOI : https://doi.org/10.24036/jptk.v6i1.30523

• Managerial techniques required of principals of technical and vocational colleges for quality assurance and skill acquisition

  Moses Ikebe Odo

  9-17

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  DOI : https://doi.org/10.24036/jptk.v6i1.28523

• Batang bayang river flood modeling based on rain return period

  Jonni Mardizal, Yaumal Arbi, Ikhsanul Akmal

  18-26

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  DOI : https://doi.org/10.24036/jptk.v6i1.31723

• Harmonic distortion characteristics generated by heating ventilation air conditioning system case study in PCR Laboratory

  Reza Andika Setyadi, Rudy Setiabudy

  27-35

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  DOI : https://doi.org/10.24036/jptk.v6i1.31323

• Analysis of production and potential utilization as electricity methane gas air dingin landfill

  Dedy Aulya Pratama, Slamet Raharjo, Rizki Aziz

  36-40

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  DOI : https://doi.org/10.24036/jptk.v6i1.31823

• Evaluation of microstructure high chrome austenitic stainless-steel grade 253MA after creep test at temperature of 700°C

  Rifda Muthia Alviana, M Syaiful Anwar, Eddy S Siradj

  41-47

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  DOI : https://doi.org/10.24036/jptk.v6i1.31523

• Design analysis configuration and capacity of off-grid with implementation of photovoltaic (PV) and battery energy storage system (BESS) as power supply for shipping activities at ports

  Fiqi Mutiah, Budi Sudiarto

  48-55

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  DOI : https://doi.org/10.24036/jptk.v6i1.31623

• Testing of palm oil-based electric power transformer insulation oil as a renewable energy source

  Hendri Hendri, Yanuar Zulardiansyah Arief, Abdul Syukur

  56-63

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  DOI : https://doi.org/10.24036/jptk.v6i1.32323