Published: 2020-12-17

Full Issue

IRR Volume 15 Number 6

Research Articles

Estimation of Stature and Sex from Step Length and Shoe Dimensions for Forensic Investigation

Sirirat Choosakoonkriang, Orathai Kheawpum

1 - 5

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Examining the urine mitragynine concentration in Thai Kratom abusers and studying the effect of Beta-Glucuronidase in the analysis process

Phatraporn Chodchoy, Theerin Sinchai

6 - 9

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Effect of chemical fertilizer on leaf nutrient concentration and fruit quality in rose apple (Syzygium jambos L.) cv. Tabtimjan

Pongnart Nartvaranant

10 - 14

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Practicum model development for professional educational administration in digital era

Jiraporn Supising, Somsak Phuvipadawat, Choocheep Puthaprasert, Prapan Thammachai, Thanat Boonchai

15 - 21

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The use of semantic field approach to enhance English vocabulary development of Prathomsuksa 4 students at Betty Dumen Border Patrol Police School, Phayao Province, Thailand

Phitsinee Sathientharadol

22 - 30

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Development of management model for senior citizens school under Chiang Mai City municipality towards Thailand 4.0

Thanuttha Wudhiwanich, Choocheep Puthaprasert, Yongyouth Yaboonthong, Tharn Thong-ngok

31 - 37

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