Raja Umer Sajjad

25 total papers · 635 total citations
18 papers, 432 citations indexed

About

Raja Umer Sajjad is a scholar working on Environmental Engineering, Water Science and Technology and Pollution. According to data from OpenAlex, Raja Umer Sajjad has authored 18 papers receiving a total of 432 indexed citations (citations by other indexed papers that have themselves been cited), including 10 papers in Environmental Engineering, 7 papers in Water Science and Technology and 5 papers in Pollution. Recurrent topics in Raja Umer Sajjad’s work include Urban Stormwater Management Solutions (5 papers), Hydrology and Watershed Management Studies (5 papers) and Water Quality and Pollution Assessment (3 papers). Raja Umer Sajjad is often cited by papers focused on Urban Stormwater Management Solutions (5 papers), Hydrology and Watershed Management Studies (5 papers) and Water Quality and Pollution Assessment (3 papers). Raja Umer Sajjad collaborates with scholars based in Pakistan, South Korea and China. Raja Umer Sajjad's co-authors include Changhee Lee, Ma. Cristina Paule‐Mercado, Sheeraz Memon, Siddique Ullah, Khalid Ahmad, Abdul Nazeer, Adnan Ahmad Tahir, Arshad Mehmood Abbasi, Imran Ali and Muhammad Bilal Ahmad and has published in prestigious journals such as SHILAP Revista de lepidopterología, The Science of The Total Environment and Chemosphere.

In The Last Decade

Co-authorship network of co-authors of Raja Umer Sajjad

This figure shows the co-authorship network connecting the top 25 collaborators of Raja Umer Sajjad. A scholar is included among the top collaborators of Raja Umer Sajjad based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Raja Umer Sajjad. Raja Umer Sajjad is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

Raja Umer Sajjad

16 papers receiving 429 citations

Fields of papers citing papers by Raja Umer Sajjad

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Raja Umer Sajjad. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Raja Umer Sajjad. The network helps show where Raja Umer Sajjad may publish in the future.

Countries citing papers authored by Raja Umer Sajjad

Since Specialization
Citations

This map shows the geographic impact of Raja Umer Sajjad's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Raja Umer Sajjad with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Raja Umer Sajjad more than expected).

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar’s output or impact.

Explore authors with similar magnitude of impact

Rankless by CCL
2026