optional practical training (OPT) OPT Optional Practical Training (OPT) USCIS OPT process and application Optional training program tanto antes como después de completar tus estudios Optional Practical Training USCIS website アメリカ政府公式サイト program Optional Practical Training work for one to three years Optional Practical Training Optional Practical Training (OPT), OPT Optional Practical Training both before or after completing your studies USCIS OPT webpage Optional Practical Training information and instructions about applying for OPT. Optional Practical Training Optional Practical Training Optional Practical Training OPT Optional Training Program (Optional Practical Training) OPT Optional Practical Training (OPT) OPT federal program Pre-Completion OPT Seçmeli Stajyerlik Optional Practical Training USCIS website Optional Practical Training (OPT) Optional Practical Training Optional Practical Training Optional Practical Training USCIS guidelines Optional Practical Training (OPT) Official OPT Rules Optional Practical Training