Telephone cable tone detector/
Borela, Eugenio Jr. V.,
Telephone cable tone detector/ Eugenio V. Borela Jr., Vincent E. Malapo, Ervin F. Tagum - Nabua, Camarines Sur : Camarines sur Polytechnic Colleges ; 2005. - 58 leaves.
Undergraduate Thesis (BSECE) - Electronics Engineering
Telephone cable tone detector/ Eugenio V. Borela Jr., Vincent E. Malapo, Ervin F. Tagum - Nabua, Camarines Sur : Camarines sur Polytechnic Colleges ; 2005. - 58 leaves.
Undergraduate Thesis (BSECE) - Electronics Engineering