APA (7th ed.) Citation

Viray, F. L. (1982). A continuous mining system productivity model in terms of equipment reliability. Philippine Engineering Journal.

Chicago Style (17th ed.) Citation

Viray, Francisco L. "A Continuous Mining System Productivity Model in Terms of Equipment Reliability." Philippine Engineering Journal 1982.

MLA (9th ed.) Citation

Viray, Francisco L. "A Continuous Mining System Productivity Model in Terms of Equipment Reliability." Philippine Engineering Journal, 1982.