Soleh Uddin, Nelfi Erlinda, Akbar Alim, Firdaus Bintang Cahyanto, and Syafni Yelvi Siska. 2026. “Education on the Implementation of HSSEC Water Treatment and Socialization of the Manual Book for Teachers and Students at a Vocational High School of Shipping in Padang”. Bulletin of Science Education 6 (1):67-83. https://doi.org/10.51278/bse.v6i1.1514.