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http://repository.unimus.ac.id/2461/4/BAB%20II.pdf

http://kesmas.ulm.ac.id/id/wp-content/uploads/2019/02/BUKU-AJAR-DASAR-DASAR-KESEHATAN-LINGKUNGAN.pdf

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http://repository.unimus.ac.id/2529/4/BAB%202%20fiks.pdf

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http://magisterkesmas.ulm.ac.id/id/wp-content/uploads/2022/03/Pengabdian-Masyarakat_Pemberian-Edukasi-Stop-BABS-dan-Penggunaan-Jamban-Sehat.pdf

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