Jumalon, N. A. (1978). Selection and application of a suitable sampling method for quantitative and qualitative evaluation of 'lab-lab'. University of the Philippines System.
Chicago-referens (17:e uppl.)Jumalon, Nepheronia A. Selection and Application of a Suitable Sampling Method for Quantitative and Qualitative Evaluation of 'Lab-lab'. Iloilo City: University of the Philippines System, 1978.
MLA-referens (9:e uppl.)Jumalon, Nepheronia A. Selection and Application of a Suitable Sampling Method for Quantitative and Qualitative Evaluation of 'Lab-lab'. University of the Philippines System, 1978.
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