Elisa Dwi P, Ira Nurmala, Muthmainnah, Riris Diana R,, Faculty of Public Health, Universitas Airlangga, Campus C Mulyorejo Surabaya 60115, Indonesia

• Opción Vol. 35 (2019): Edición Especial Nro. 24 - Artículos
  What are the roles of teachers for drug abuse prevention?
  Resumen  PDF