TY - BOOK AU - Ayala, Charlie John C. TI - Design and evaluation of Arduino-based global positioning system (GPS) data logger for post work analysis of 4-wheeled tractor PY - 2022/// CY - MMSU PB - City of Batac N1 - Thesis (BS in Agricultural and Biosystems Engineering)- Mariano Marcos State University -- Collee of Engineering, City of Batac, 2022; Bibliography: leaves 38-39 ER -