NASA NASIL BİR YER? Aralık 4, 2016 by rdeleon · Published Aralık 4, 2016 · Last modified Ağustos 19, 2020
BİR DAMLA SU VE PİRİNÇ TANESİ Ocak 29, 2017 by rdeleon · Published Ocak 29, 2017 · Last modified Ağustos 19, 2020
LETTER TO PRESIDENT TRUMP ON COVID-19 RESPONSE! Mart 20, 2020 by rdeleon · Published Mart 20, 2020 · Last modified Ağustos 19, 2020
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