Vol. 4 No. 4 (2021): Regular Issue

Articles

• Productivity analysis using method Murvin E. Mundel case study PT. Johan Sentosa

  Riko Ervil, Dian Yudistira Rhamadan

  107-110

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  DOI : https://doi.org/10.24036/jptk.v4i4.21523

• Efforts to improve problem solving skills and critical thinking skills through problem-based integrated Computer Assisted Instruction (CAI) in Vocational Education

  Rizky Ema Wulansari, Rahmat Azis Nabawi

  111-117

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  DOI : https://doi.org/10.24036/jptk.v4i2.21123

• Development of arduino basic learning kit in robotics for beginner level learning

  Tan Kooi Lim, Ahmad Zumali Mohammad, Mohd Noor Bin Ismail

  118-122

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  DOI : https://doi.org/10.24036/jptk.v4i4.20623

• Evaluation of the dimensions of the tsunami evacuation path for the community of Air Tawar Barat Village, North Padang District, Padang City, based on geographic information system (GIS)

  Faisal Ashar, Iqbal Maulana Yusup, Fitra Rifwan, Laras Oktavia Adreas

  123-129

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  DOI : https://doi.org/10.24036/jptk.v4i4.21423

• The development of movement system of the second six-legged robot PTE UNIMA

  Calvin E J Mamahit, Mildes Sanggola

  130-139

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  DOI : https://doi.org/10.24036/jptk.v4i4.21323

• Study of mixing purple sweet potato and turmeric extract as green corrosion inhibitor for API-5L in NaCl 3.5% environment

  Arie Wijaya, Johny Wahyuadi Soedarsono, Aldi Putra Laksana

  140-145

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  DOI : https://doi.org/10.24036/jptk.v4i4.21823

• Corrosion behavior of super austenitic stainless steel, Duplex 2205 and 316L in sulfamic acid environment

  Bashari Rohululloh Roszardi, Rini Riastuti, Wahyu Budiarto, Nono Darsono, Adi Noer Syahid

  146-151

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  DOI : https://doi.org/10.24036/jptk.v4i4.24323