کارت شما خالی است
Natural gas and petroleum
Natural gas and petroleum
Today, natural gas and petroleum are the most widely used raw materials and sources of energy.
شيمى
Grades 9 – 12
نویسنده: Bodó Jánosné
بازبین: Horváthné Kunstár Andrea, Márton Gábor
Graphic designer: Molnár Mónika
کلیدواژهها
موزالينک
/لينک وب