13 articles in this issue
Elza Rachman Panca Priyand,Ajeng Sukmafitri,Ahmad Mudzakir,Asep Bayu Dani Nandiyanto,Willy Cahya Nugraha,Wahyu Ramdhani
This study aims to evaluate zinc oxide (ZnO) nanoparticles as a learning media to enhance students' understanding of View of Nature of Science and Technology (VNOST). The method used in this study: (i) understanding how to synthesize ZnO nanoparticles usi... see more
Hesam Eftekhari,Abdulkareem Sh. Mahdi Al-Obaidi,Shahrooz Eftekhari
Automotive racing is one of the favorite sports of human being. There have been many developments in past decades by car engineers to improve the performance of the engine and increase the aerodynamic efficiency of the race cars to achieve a better lap ti... see more
Mustika Nuramalia Handayani,Mohammad Ali,Dinn Wahyudin,Mukhidin Mukhidin
This study investigated understanding of agricultural vocational school teachers about green skills and its entity in the curriculum. Data were gathered through survey of teachers from fifteen agricultural vocational high school of agricultural food proce... see more
Mustapha Mohammed Alhaji,Musa Alhassan,Taiye Waheed Adejumo,Ramatu Jibrin
Effect of density on consolidation and creep parameters of a clay soil was investigated using a soil classified according to Unified Soil Classification System (USCS) as Clay of High plasticity (CH) and comp... see more
Isma Widiaty,Lala Septem Riza,Ade Gafar Abdullah,Sugeng Rifqi Mubaroq
This study aimed to design a batik learning medium for vocational high school students in based on multiplatform. The application made was expected to support heutagogy approach – based lea... see more
Agus Haryanto,Tri Wahyu Saputra,Mareli Telaumbanua,Amiera Citra Gita
Used frying oil (UFO) has a great potential as feedstock for biodiesel production. This study aims to develop an artificial neural network (ANN) model to predict biodiesel yield produced from base-catalyzed transe... see more
Kartika Yulianti,Agus Yodi Gunawan,Edy Soewono
The effect of surfactant on the thickness of a thin film bounded by a solid surface and a moving liquid drop was investigated. We proposed a model so that parameters from the liquid drop can be stated in a parameter that acts as normal pressure to the thi... see more
Al Jupri,Ririn Sispiyati
Algebraic proficiency, including procedural fluency and conceptual understanding, is widely discussed worldwide. Algebraic proficiency refers largely to proficiency in symbolic representations which can be investigated through a framework of symbol sense.... see more
Annisa Bhikuning,Jiro Senda Senda
Studying biodiesel as an alternative fuel is important for finding the most suitable fuel for the future. Biodiesel from waste cooking oil is one of the alternative fuels to replace fossil oil. Waste cooking oil is the used oil from cooking and is taken f... see more
S A Zainal,W R Daud,M I Rosli,S Harun,Zulfan Adi Putra,M R Bilad
An integrated model between surface and sub-surface is typically done by interconnecting many process modelling platforms. PROSPER and GAP are the common steady state modelling platforms for sub-surface while VMGSim and HYSYS are typical steady state surf... see more
Nursida Arif,Projo Danoedoro,Hartono Hartono,Andrew Mulabbi
The purpose of this study was to create an erosion prediction model in Serang Watershed, Indonesia. The erosion model used two input data, namely the slope derivied from Digital Elevation Model (DEM) data, and Fractional Vegetation Cover (FVC) from ... see more
Ruswan Dallyono,Didi Sukyadi,Lukman Hakim
This study aims to present a mathematical linguistic analysis in establishing the relations between TRs, LMs, potential senses, and actual senses by using the case of the preposition on found in academic texts under the framework of Trajector (TR) and Lan... see more
Asep Bayu Dani Nandiyanto,Muhammad Kunta Biddinika,Farid Triawan
Indonesia faces decreasing in its number during period of 2018-2019 according to SINTA (Indonesian scientific indexing) database. This situation is alarming amid country’s effort to improve its research and development from which the scientific publicatio... see more