Vol. 83 No. 1: January 2021

Science and Engineering

• FABRICATION AND CHARACTERISATION OF MG-ZN ALLOYS REINFORCED WITH CNF: A STUDY ON THE SINTERING PROCESS

  Herman Tuminoh, Muhammad Sallehuddin Mohd Azman, Muhammad Al Kahfi Edrus, Ahmad Kafrawi Nasution, Muhammad Hanif Ramlee

  1-6

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• ENDOPHYTIC BACTERIA DIVERSITY FROM ZINGIBERACEAE AND ANTICANDIDAL CHARACTERIZATION PRODUCED BY Pseudomonas helmanticensis

  Tri Ratna Sulistiyani, Masrukhin, Ismu Purnaningsih, Toga Pangihotan Napitupulu, Agus Budiyanto, Atit Kanti, I Made Sudiana

  7-17

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• NOVEL COMPOSITE OF SILVER-BACTERIAL CELLULOSE (Ag-BC) FROM SIWALAN SAP (Borassus flabellifer) AND ITS ANTIBACTERIAL ACTIVITY

  Suntini, Anastasia Wheni Indrianingsih, Harjono

  19-25

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• ADSORPTION OF MALACHITE GREEN DYE USING SPENT COFFEE GROUND BIOCHAR: OPTIMISATION USING RESPONSE SURFACE METHODOLOGY

  Mardawani Mohamad, Rizki Wannahari, Rosmawani Mohammad, Noor Fazliani Shoparwe, Kwan Wei Lun, Lim Jun Wei

  27-36

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• A REVIEW ON AUGMENTED REALITY TRACKING METHODS FOR MAINTENANCE OF ROBOTS

  Ye Sheng Koh, Kai Woon Goh, Marvin Dares, Che Fai Yeong, Eileen Su Lee Ming, Mohd. Shahrizal Sunar, Yik Shin Tey

  37-43

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• ISOTHERM, KINETICS AND THERMODYNAMICS ADSORPTION STUDIES OF DYE ONTO Fe3O4-WASTE PAPER ACTIVATED CARBON COMPOSITES

  Adel Fisli, Rahma Dina Safitri, Nurhasni, Sari Hasnah Dewi, Deswita

  45-55

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• THE INFLUENCE OF SUPERPLASTICISERS ON THE FRESH AND MECHANICAL BEHAVIOUR OF FOAM CONCRETE UTILIZING POFA AS SAND REPLACEMENT

  Abdullah Abdulsalam Al-Shwaiter, Hanizam Awang

  57-65

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• IDENTIFYING SHALLOW SUBSURFACE CHARACTERISTICS VIA COMPRESSIONAL TO SHEAR WAVES VELOCITY RATIO (VP/VS) FROM SEISMIC REFRACTION TOMOGRAPHY

  Muhammad Syukri, Nordiana M. Muztaza, Nur Azwin Ismail, Zul Fadhli, Rosli Saad

  67-73

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• RAPID INVESTIGATION OF THE METABOLITE CONTENT IN HIBISCUS SABDARIFFA var. UKMR-2 CULTIVATED UNDER THE INFLUENCE OF ELEVATED CO2 USING TRI-STEP FT-IR SPECTROSCOPY

  Siti Aishah Mohd Ali, Jalifah Latip

  75-83

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• OPTIMIZATION OF REFLUX EXTRACTION FOR CAESALPINIA SAPPAN LINN. WOOD BY USING RESPONSE SURFACE METHODOLOGY

  Mohd Azahar Mohd Ariff, Muhammad Syafiq Abd Jalil, Noor ‘Aina Abdul Razak, Jefri Jaapar

  85-92

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• ASSESSMENT OF THE ACCURACY AND PRECISION OF MyRTKnet REAL-TIME SERVICES

  Muhammad Afiq Amirrudin, Ami Hassan Md Din, Nur Adilla Zulkifli, Muhammad Asyran Che Amat, Mohammad Hanif Hamden

  93-103

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• THE APPLICATION OF PYRAMID LUCAS-KANADE OPTICAL FLOW METHOD FOR TRACKING RAIN MOTION USING HIGH-RESOLUTION RADAR IMAGES

  Roby Hambali, Djoko Legono, Rachmad Jayadi

  105-115

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• RELATIONSHIP BETWEEN SOIL ENGINEERING PROPERTIES AND CORROSION RATE IN ANDESITIC VOLCANIC SOILS, WEST LAMPUNG, SUMATRA, INDONESIA

  Prahara Iqbal, Dicky Muslim, Zufialdi Zakaria, Haryadi Permana, Yunarto Yunarto

  117-125

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• THE APPLICATIONS OF ZERO DIVISORS OF SOME FINITE RINGS OF MATRICES IN PROBABILITY AND GRAPH THEORY

  Nurhidayah Zaid, Nor Haniza Sarmin, Sanhan Muhammad Salih Khasraw

  127-132

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• COMPUTATIONALLY EFFICIENT PATH PLANNING ALGORITHM FOR AUTONOMOUS VEHICLE

  Sanjoy Kumar Debnath, Rosli Omar, Nor Badariyah Abdul Latip, Susama Bagchi, Elia Nadira Sabudin, Abdul Rashid Omar Mumin, Abdul Majid Soomro, Marwan Nafea, Bashir Bala Muhammad, Ranesh Kumar Naha

  133-143

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• CONTINUITY OF GREAT SUMATRAN FAULT IN THE MARINE AREA REVEALED BY 3D INVERSION OF GRAVITY DATA

  Yanis Muhammad, Abdullah Faisal, Assyifa Yenny, Zainal Muzakir, Marwan Abubakar, Ismail Nazli

  145-155

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