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Saputra, H. .; Italina, C. . The Role of PrincipalÃƒÆ’Ã†â€™Ãƒâ€ Ã¢â‚¬â„¢ÃƒÆ’Ã¢â‚¬Å¡Ãƒâ€šÃ‚Â¢ÃƒÆ’Ã†â€™Ãƒâ€šÃ‚Â¢ÃƒÆ’Ã‚Â¢ÃƒÂ¢Ã¢â‚¬Å¡Ã‚Â¬Ãƒâ€¦Ã‚Â¡ÃƒÆ’Ã¢â‚¬Å¡Ãƒâ€šÃ‚Â¬ÃƒÆ’Ã†â€™Ãƒâ€šÃ‚Â¢ÃƒÆ’Ã‚Â¢ÃƒÂ¢Ã¢â‚¬Å¡Ã‚Â¬Ãƒâ€¦Ã‚Â¾ÃƒÆ’Ã¢â‚¬Å¡Ãƒâ€šÃ‚Â¢s Leadership in Improving the Quality of Mathematics Education at Junior High School Kembang Tanjong. JMAS 2020, 3, 98-102.