Liyan Song

Improving online learning: Student perceptions of useful and challenging characteristics

Liyan Song, Ernise Singleton, Janette R. Hill et al. · The Internet and Higher Education · 2004 · 1.1K citations

Online Learning, E-learning, Education +1

A Conceptual Model for Understanding Self-Directed Learning in Online Environments.

Liyan Song, Janette R. Hill · 2007 · 477 citations

E-learning, Sdl Focus, Educational Psychology +17

Occurrence State and Molecular Structure Analysis of Extracellular Proteins with Implications on the Dewaterability of Waste-Activated Sludge

Boran Wu, Bing‐Jie Ni, Kristine Horvat et al. · Environmental Science & Technology · 2017 · 253 citations

Sulfamethoxazole, tetracycline and oxytetracycline and related antibiotic resistance genes in a large-scale landfill, China

Liyan Song, Lei Li, Yang Shu et al. · The Science of The Total Environment · 2016 · 165 citations

Hazardous Waste, Environmental Chemistry, Antimicrobial Resistance Gene +14

Study on nitrogen-retaining microbial agent to reduce nitrogen loss during chicken manure composting and nitrogen transformation mechanism

Zhongping Qiu, Mingxing Li, Liyan Song et al. · Journal of Cleaner Production · 2020 · 152 citations · Full text

Nitrogen Transformation Mechanism, Engineering, Chicken Manure Composting +10