Petilla, M. J. P. (1993). Lingap Para sa Kalusugan ng Sambayanan (LIKAS) and Sandigan ng mga Magsasaka (Sandigan): A case study on organizational communication.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিPetilla, Maria Josefa P. Lingap Para Sa Kalusugan Ng Sambayanan (LIKAS) and Sandigan Ng Mga Magsasaka (Sandigan): A Case Study on Organizational Communication. 1993.
M.L.A (9 ম সংস্করণ) উদ্ধৃতিPetilla, Maria Josefa P. Lingap Para Sa Kalusugan Ng Sambayanan (LIKAS) and Sandigan Ng Mga Magsasaka (Sandigan): A Case Study on Organizational Communication. 1993.
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