Proposed automatic railroad crossing early warning device at Paloyon, Nabua, Camarines Sur/
Baąga, Julius A.,
Proposed automatic railroad crossing early warning device at Paloyon, Nabua, Camarines Sur/ Julius C. Estoy, Joey C. Pili, Robert V. Posugac - Nabua, Camarines Sur : Camarines Sur Polytechnic Colleges ; 2004. - 56 leaves
Undergraduate Thesis (BSEE) - Electricall Engineering
Proposed automatic railroad crossing early warning device at Paloyon, Nabua, Camarines Sur/ Julius C. Estoy, Joey C. Pili, Robert V. Posugac - Nabua, Camarines Sur : Camarines Sur Polytechnic Colleges ; 2004. - 56 leaves
Undergraduate Thesis (BSEE) - Electricall Engineering