शोध पद्धति: पीएचडी पूर्व पाठ्यक्रम (Research Methodology: Pre- Phd Coursework). [s.l.] : Wissira Press,2026. DOI: 10.63345/WP-978-93-7559-026-2. Disponível em: https://books.wissira.us/index.php/WIL/catalog/book/71. Acesso em: 13 jun. 2026.