Vol. 13 No. 3 (2021): December

Articles

• The effect of colloids practicum e-module to improve students™ interest on virtual lab during the covid-19 pandemic

  Nelius Harefa, Novia Fransisca Dewi Silalahi, Leony Sanga Lamsari Purba, Herna Febrianty Sianipar

  172-179

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  DOI : https://doi.org/10.24114/jpkim.v13i3.29016
  

• Biodegradable plastic modification from durian seed starch and shrimp chitosan with the addition of plasticiziers glycerol and polyglycerol using microwaves

  Saud Salomo, Astri Devi Br Pakpahan, Dea Gracella Siagian, Grecy Kristina Tampubolon, Salsabila Afani, Eddiyanto Eddiyanto, Junifa Layla Sihombing

  180-192

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  DOI : https://doi.org/10.24114/jpkim.v13i3.29017
  

• Methanol extract from kesambi (Schleichera oleosa (L.) oken) stem bark as a natural antioxidant to increase crude palm oil (CPO) quality

  Weny J A Musa, Nurhayati Bialangi, Diky Kurniawan, M Amrin Sunardi, Ninik Triayu susparini, Sriwijayanti Sriwijayanti, Boima Situmeang

  193-201

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  DOI : https://doi.org/10.24114/jpkim.v13i3.29018
  

• Natural mouthwash of sarang banua leaves (Clerodendrum fragrans Vent Willd) extractas a healthy solution during the covid-19 pandemic

  Julianse Lydia Nababan, Titin Evania Manalu, Ratu Nurul Aulia, Anna Lestari, Angga Koswara Malau, Murniaty Simorangkir

  202-211

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  DOI : https://doi.org/10.24114/jpkim.v13i3.29077
  

• Analysis of online learning based edmodo in pandemic era in atomic structure classes x at senior high school harapan 1 Medan

  Hamidatun Nisa, Fathia Namira, Jasmidi Jasmidi, Ajat Sudrajat, Tita Juwitaningsih

  212-222

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  DOI : https://doi.org/10.24114/jpkim.v13i3.29104
  

• Students™ learning outcomes on hydrocarbon materials through mind mapping method

  Andriani Andriani, Nelius Harefa, Elferida Sormin, St Fatimah Azzahra

  223-229

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  DOI : https://doi.org/10.24114/jpkim.v13i3.29381
  

• The effectiveness of argumentation based learning and problem based learning models in improving student™s argumentation skills about salt hydrolysis concept

  Anisa Puspita Sari, Harizon Harizon, Muhammad Haris Effendi-Hasibuan

  230-240

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  DOI : https://doi.org/10.24114/jpkim.v13i3.29928
  

• The effectiveness of the four-step jigsaw and jigsaw learning model in improving students' argumentation skills about salt hydrolysis concept

  Windy Kartika, Asrial Asrial, Muhammad Haris Effendi-Hasibuan

  241-249

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  DOI : https://doi.org/10.24114/jpkim.v13i3.29929
  

• The effectiveness of modified flip-based argumentation learning in improving students™ argumentation skills about hydrocarbon

  Agustiningsih Agustiningsih, Ngatijo Ngatijo, Muhammad Haris Effendi-Hasibuan

  250-260

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  DOI : https://doi.org/10.24114/jpkim.v13i3.29930
  

• The effect of STEM approach e-module -topic of free-range chicken eggs productivity on student learning outcomes in entrepreneurship courses in the era of the industrial revolution 4.0

  K Anom W, Made Sukaryawan, Eka Ad’hiya

  261-268

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  DOI : https://doi.org/10.24114/jpkim.v13i3.29931
  

• Discovery learning model to optimize students™ critical thinking skills on hydrocarbon material

  Tesa Lonika Yuniawati, Friska Juliana Purba

  269-277

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  DOI : https://doi.org/10.24114/jpkim.v13i3.30208
  

• The implementation of SETS approach towards students achievement on the solubility material based on KKNI

  Christina Sitepu, Ruth Mayasari Simanjuntak

  278-285

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  DOI : https://doi.org/10.24114/jpkim.v13i3.30987