Aljufri, Aljufri, and Yustina Sriani. 2018. “The Difference of Student Debris Index Chewing Apple, Pineapple and Carambola in The JKG Poltekkes Kemenkes Padang”. Jurnal Kesehatan Masyarakat Andalas 12 (1):16-22. https://doi.org/10.24893/jkma.v12i1.373.