Publisher
- skripsi (sarjana)--universitas negeri malang. program studi pendidikan kimia4
- taylor & francis ltd4
- american institute of mathematical sciences (aims)3
- computers, materials and continua (tech science press)3
- elsevier ltd3
- american chemical society2
- american chemical society (acs)2
- elsevier b.v.2
- inmateh - agricultural engineering2