Mashur, D. (Dadang) ; Dinata, W. W. (Widia) https://www.neliti.com/publications/32681/sistem-pelayanan-pengelolaan-sampah-di-kecamatan-tampan-kota-pekanbaru.
,
2015
Widia, W. (Wina) ; Emidar, E. (Emidar) https://www.neliti.com/publications/478528/korelasi-penguasaan-kosakata-bidang-lingkungan-hidup-dan-keterampilan-menulis-te.
,
2020