Porte, Virgilio N. Simplified OJT methods (on-job-training) on building construction for fresh engineers & architects / Virgilio N. Porte. - Quezon City, Metro Manila : Lorimar Publishing, 2021. - viii, 203 pages : colored illustration ; 28 cm. ISBN: 9786214510207 (pbk) Subjects--Topical Terms: Building construction - On-the-job -training.