JIRASINGHE DILUM. (1996). COMPETENT HEAD: A JOB ANALYSIS OF HEADS`TASK AND PERSONALITY FACTOR. FALMER PRESS.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रJIRASINGHE DILUM. COMPETENT HEAD: A JOB ANALYSIS OF HEADS`TASK AND PERSONALITY FACTOR. LONDON: FALMER PRESS, 1996.
एमएलए (9वां संस्करण) प्रशस्ति पत्रJIRASINGHE DILUM. COMPETENT HEAD: A JOB ANALYSIS OF HEADS`TASK AND PERSONALITY FACTOR. FALMER PRESS, 1996.
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