Friday, January 3, 2014
Manfaat Energi Matahari Yang Dirasakan Setiap Hari
Thursday, January 2, 2014
Cara Menghemat Pemakaian Energi Listrik Rumah Tangga
Monday, December 30, 2013
Hal-hal Sederhana Untuk Menjaga Lingkungan
Believe in yourself! Have faith in your abilities! Without a humble but reasonable confidence in your own powers you cannot be successful or happy.
Norman Vincent Peale