Estidola, Jonnel A., <br/><br/>
Portable helical wind turbine generator 
Jonnel A. Estidola, Mark Anthony C. Lumabad, Jesus L. Nevallo Jr., Eric M. Salvadora, Joseph Anfernee Michelin C. Tapan 
 - Nabua, Camarines Sur :  Camarines Sur Polytechnic Colleges ;  2019. 
 - 71 leaves 
<br/><br/>Undergraduate Thesis (BSEE) - Electrical Engineering