High school physics teacher and lecturer for Physics 1, 2, 3 And preparatory university physics (101, 102, 103, 104, 105, 107, 110, 111, 112, 113, 121, 205, 211, 215, 217, 220, 225, 231, 235, 330) For communication, call or WhatsApp (( Phone number appears when clicking the contact button ) )