This study aims to analyze students' learning motivation through e-learning with the Problem Based Learning Model during the Covid-19 period. This type of research is a quasi-experimental study conducted at As-Shofa Islamic High School Pekanbaru. The population in this study was all class X MIA, totaling 3 classes with random sampling technique. The research design was a pretest-posttest contro…
This study aims to analyze the structure, conduct and performance of the copra market in Kijang Island Village, Reteh District. The research location was determined purposively, in Kijang island Village which became the center of copra production. Sampling traders using the census method. Data analysis was performed descriptive and quantitative. The results showed the market structure in the Ki…
This study aims to determine the composition and diversity of soil surface arthropods at the Arboretum of the University of Riau, and obtain alternative learning resources. The method of this research is survey. The location was chosen based on purposive random sampling by considering 5 stations. The parameters used in this study are type composition, population density (ind / m ^ 2), diversity…